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Databinding methods such as Eval(), XPath(), and Bind() can only be used in the context of a databound control after upgrading to Q1 2010

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ComboBox
This is a migrated thread and some comments may be shown as answers.
Roberto Yudice asked on 28 May 2010, 12:48 AM
I've been getting this error "Databinding methods such as Eval(), XPath(), and Bind() can only be used in the context of a databound control" on all of my combos since I upgraded to Q1 2010 version, is there any reason for that?
7 Answers, 1 is accepted

answered on 28 May 2010, 03:54 PM
    
            <%@ Control Language="C#" AutoEventWireup="true" CodeFile="ConsultaSRC.ascx.cs" Inherits="DesktopModules_ColaTrabajo_Formularios_ConsultaSRC" %> 
        
            <telerik:RadCodeBlock runat="server"><script type="text/javascript"> 
        
                function verificarExistenReferencias(sender, eventArgs) { 
        
                var button=eventArgs.get_item(); 
        
                    if (button.get_commandName() == 'EXTRAERREFERENCIAS' && <%= ExistenReferencias.ToString().ToLower() %>) { 
        
                          eventArgs.set_cancel(!confirm('Ya existen referencias,¿desea reemplazarlas?')); 
        
                    } 
        
                } 
        
            </script> 
        
            </telerik:RadCodeBlock> 
        
            <link href="/Portals/0/gestor.css" type="text/css" rel="stylesheet" /> 
        
            <style> 
        
            fieldset{ 
        
            margin-top:10px; 
        
                margin-bottom: 20px; 
        
            } 
        
            .alert_panel 
        
            { 
        
                margin:5px; 
        
                background-color:#ddebfe; 
        
                border: 1px solid #a5cafd; 
        
                padding:10px; 
        
            } 
        
            .alert_panel p 
        
            { 
        
                font-family:Arial,san-serif; 
        
                color: #fb5a5a; 
        
                font-size:16px; 
        
            } 
        
            </style> 
        
            <telerik:RadToolBar ID="RadToolBar1" Runat="server"  
        
                onbuttonclick="RadToolBar1_ButtonClick" OnClientButtonClicking="verificarExistenReferencias" Width="100%"> 
        
                <Items> 
        
                    <telerik:RadToolBarButton runat="server" CommandName="EXTRAERREFERENCIAS"  
        
                        Text="Extraer Referencias" ImageUrl="~/images/gestor/database_go.png"> 
        
                    </telerik:RadToolBarButton> 
        
                </Items> 
        
                </telerik:RadToolBar> 
        
            <telerik:RadAjaxManager ID="RadAjaxManager1" runat="server"  
        
                DefaultLoadingPanelID="RadAjaxLoadingPanel1"> 
        
                <AjaxSettings> 
        
                    <telerik:AjaxSetting AjaxControlID="RadToolBar1"> 
        
                        <UpdatedControls> 
        
                            <telerik:AjaxUpdatedControl ControlID="Panel1" /> 
        
                            <telerik:AjaxUpdatedControl ControlID="gridActivas" /> 
        
                                   <telerik:AjaxUpdatedControl ControlID="gridCanceladas" /> 
        
                        </UpdatedControls> 
        
                    </telerik:AjaxSetting> 
        
                    <telerik:AjaxSetting AjaxControlID="RadAjaxManager1"> 
        
                        <UpdatedControls> 
        
            <telerik:AjaxUpdatedControl ControlID="Panel1"></telerik:AjaxUpdatedControl> 
        
            </UpdatedControls> 
        
                    </telerik:AjaxSetting> 
        
                    <telerik:AjaxSetting AjaxControlID="RadListView1"> 
        
                    </telerik:AjaxSetting> 
        
                    <telerik:AjaxSetting AjaxControlID="RadListView2"> 
        
                        <UpdatedControls> 
        
                            <telerik:AjaxUpdatedControl ControlID="gridNoReportadas" /> 
        
                        </UpdatedControls> 
        
                    </telerik:AjaxSetting> 
        
                    <telerik:AjaxSetting AjaxControlID="i0"> 
        
                        <UpdatedControls> 
        
                            <telerik:AjaxUpdatedControl ControlID="Panel1" /> 
        
                            <telerik:AjaxUpdatedControl ControlID="gridActivas" /> 
        
                            <telerik:AjaxUpdatedControl ControlID="gridCanceladas" /> 
        
                        </UpdatedControls> 
        
                    </telerik:AjaxSetting> 
        
                    <telerik:AjaxSetting AjaxControlID="gridActivas"> 
        
                        <UpdatedControls> 
        
                            <telerik:AjaxUpdatedControl ControlID="RadListView1"  
        
                                LoadingPanelID="RadAjaxLoadingPanel1" /> 
        
                            <telerik:AjaxUpdatedControl ControlID="RadListView2" /> 
        
                        </UpdatedControls> 
        
                    </telerik:AjaxSetting> 
        
                    <telerik:AjaxSetting AjaxControlID="gridCanceladas"> 
        
                        <UpdatedControls> 
        
                            <telerik:AjaxUpdatedControl ControlID="RadListView1"  
        
                                LoadingPanelID="RadAjaxLoadingPanel1" /> 
        
                            <telerik:AjaxUpdatedControl ControlID="RadListView2" /> 
        
                        </UpdatedControls> 
        
                    </telerik:AjaxSetting> 
        
                    <telerik:AjaxSetting AjaxControlID="gridNoReportadas"> 
        
                        <UpdatedControls> 
        
                            <telerik:AjaxUpdatedControl ControlID="RadListView1" /> 
        
                            <telerik:AjaxUpdatedControl ControlID="RadListView2" /> 
        
                        </UpdatedControls> 
        
                    </telerik:AjaxSetting> 
        
                    <telerik:AjaxSetting AjaxControlID="Button3"> 
        
                        <UpdatedControls> 
        
                            <telerik:AjaxUpdatedControl ControlID="RadListView1" /> 
        
                            <telerik:AjaxUpdatedControl ControlID="RadListView2" /> 
        
                        </UpdatedControls> 
        
                    </telerik:AjaxSetting> 
        
                </AjaxSettings> 
        
            </telerik:RadAjaxManager> 
        
            <telerik:RadFormDecorator ID="RadFormDecorator1" Runat="server" /> 
        
            <telerik:RadAjaxLoadingPanel ID="RadAjaxLoadingPanel1" Runat="server"  
        
                Skin="Default"> 
        
            </telerik:RadAjaxLoadingPanel> 
        
            <asp:Panel ID="Panel1" runat="server" CssClass="alert_panel"> 
        
                <p><asp:Label ID="Label11" runat="server"></asp:Label></p> 
        
            </asp:Panel> 
        
            <telerik:RadListView ID="RadListView1" runat="server" DataKeyNames="SRCREF_ID"  
        
                DataSourceID="linqDetalleReferencia" ItemPlaceholderID="listViewContainer"  
        
                PageSize="1"  
        
                oniteminserted="RadListView1_ItemInserted"> 
        
                <LayoutTemplate> 
        
                <asp:PlaceHolder runat="server" ID="listViewContainer"></asp:PlaceHolder> 
        
                </LayoutTemplate> 
        
                <EmptyDataTemplate> 
        
                    <fieldset class="fieldset_form"> 
        
                <legend>Referencia</legend> 
        
                    <table class="table_encabezado" style="width: 700px;"> 
        
                        <tr class="odd"> 
        
                            <td colspan="2"> 
        
                                <asp:Localize ID="Localize1" meta:resourcekey="Institucion" runat="server">Institución:</asp:Localize></td> 
        
                            <td colspan="2"> 
        
                                Relación:</td> 
        
                            <td> 
        
                                Forma de Pago:</td> 
        
                        </tr> 
        
                        <tr > 
        
                            <td> 
        
                                <asp:Label ID="Label1" runat="server" Text='<%# Eval("SRCREF_NOM_ASOC") %>'></asp:Label> 
        
                            </td> 
        
                            <td> 
        
                                &nbsp;</td> 
        
                            <td> 
        
                                <asp:Label ID="Label5" runat="server"  
        
                                    Text='<%# Eval("SRCREF_DESCR_CORTA_RELA") %>'></asp:Label> 
        
                            </td> 
        
                            <td> 
        
                                &nbsp;</td> 
        
                            <td> 
        
                                &nbsp;</td> 
        
                        </tr> 
        
                        <tr class="odd"> 
        
                            <td> 
        
                                Monto Original</td> 
        
                            <td> 
        
                                Saldo</td> 
        
                            <td> 
        
                                Cuota:</td> 
        
                            <td> 
        
                                Días de Atraso:</td> 
        
                            <td> 
        
                                Historial:</td> 
        
                        </tr> 
        
                        <tr> 
        
                            <td> 
        
                                <asp:Label ID="Label2" runat="server"  
        
                                    Text='<%# Eval("SRCREF_MONTO_ORIGINAL", "{0:C}") %>'></asp:Label> 
        
                            </td> 
        
                            <td> 
        
                                <asp:Label ID="Label3" runat="server"  
        
                                    Text='<%# Eval("SRCREF_SALDO_ACTUAL", "{0:C}") %>'></asp:Label> 
        
                            </td> 
        
                            <td> 
        
                                <asp:Label ID="Label4" runat="server" Text='<%# Eval("SRCREF_SALDO_ACTUAL") %>'></asp:Label> 
        
                            </td> 
        
                            <td> 
        
                                &nbsp; 
        
                            </td> 
        
                            <td> 
        
                                <asp:Label ID="Label7" runat="server" Text='<%# Eval("SRCREF_HISTORIA") %>'></asp:Label> 
        
                            </td> 
        
                        </tr> 
        
                        <tr class="odd"> 
        
                            <td> 
        
                                Fecha de Apertura:</td> 
        
                            <td> 
        
                                &nbsp;</td> 
        
                            <td> 
        
                                Cancelar:</td> 
        
                            <td> 
        
                                &nbsp;</td> 
        
                            <td> 
        
                                No. de Referencia:</td> 
        
                        </tr> 
        
                        <tr> 
        
                            <td> 
        
                                <asp:Label ID="Label10" runat="server"  
        
                                    Text='<%# Eval("SRCREF_FEC_INICIO_REL", "{0:d}") %>'></asp:Label> 
        
                            </td> 
        
                            <td> 
        
                                &nbsp;</td> 
        
                            <td> 
        
                                &nbsp;</td> 
        
                            <td> 
        
                                &nbsp;</td> 
        
                            <td> 
        
                                <asp:Label ID="Label8" runat="server" Text='<%# Eval("SRCREF_NUM_REFER") %>'></asp:Label> 
        
                            </td> 
        
                        </tr> 
        
                    </table> 
        
                </fieldset> 
        
                </EmptyDataTemplate> 
        
                <InsertItemTemplate> 
        
                  <fieldset class="fieldset_form"> 
        
                <legend>Referencia</legend> 
        
                    <table class="table_encabezado" style="width: 700px;"> 
        
                        <tr class="odd"> 
        
                            <td colspan="2"> 
        
                                <asp:Localize ID="Localize2" meta:resourcekey="Institucion" runat="server">Institución:</asp:Localize></td> 
        
                            <td colspan="2"> 
        
                                Relación:</td> 
        
                            <td> 
        
                                Forma de Pago:</td> 
        
                        </tr> 
        
                        <tr > 
        
                            <td> 
        
                                <telerik:RadTextBox ID="RadTextBox4" Runat="server"  
        
                                    Text='<%# Bind("REFNOREP_INST") %>' Width="125px"> 
        
                                </telerik:RadTextBox> 
        
                            </td> 
        
                            <td> 
        
                                &nbsp;</td> 
        
                            <td> 
        
                                <telerik:RadComboBox ID="RadComboBox2" Runat="server"  
        
                                    DataSourceID="linqTiposRelaciones" DataTextField="TIPREL_DES"  
        
                                    DataValueField="TIPREL_ID" SelectedValue='<%# Bind("TIPREL_ID") %>' > 
        
                                </telerik:RadComboBox> 
        
                                <asp:LinqDataSource ID="linqTiposRelaciones" runat="server"  
        
                                    ContextTypeName="Gestor.Data.Core.GestorAPCDataContext"  
        
                                    Select="new (TIPREL_ID, TIPREL_DES)" TableName="CTG_TIPREL_TIPO_RELACION"  
        
                                    Where="TIPREL_ACTIVO == @TIPREL_ACTIVO"> 
        
                                    <WhereParameters> 
        
                                        <asp:Parameter DefaultValue="true" Name="TIPREL_ACTIVO" Type="Boolean" /> 
        
                                    </WhereParameters> 
        
                                </asp:LinqDataSource> 
        
                            </td> 
        
                            <td> 
        
                                &nbsp;</td> 
        
                            <td> 
        
                                <telerik:RadComboBox ID="RadComboBox3" Runat="server"  
        
                                    DataSourceID="linqFormaDePago" DataTextField="FPAGO_DES"  
        
                                    DataValueField="FPAGO_ID" SelectedValue='<%# Bind("FPAGO_ID") %>'> 
        
                                </telerik:RadComboBox> 
        
                                <asp:LinqDataSource ID="linqFormaDePago" runat="server"  
        
                                    ContextTypeName="Gestor.Data.Core.GestorAPCDataContext"  
        
                                    Select="new (FPAGO_DES, FPAGO_ID)" TableName="CTG_FPAGO_FORMA_PAGO"  
        
                                    Where="FPAGO_ACTIVO == @FPAGO_ACTIVO"> 
        
                                    <WhereParameters> 
        
                                        <asp:Parameter DefaultValue="true" Name="FPAGO_ACTIVO" Type="Boolean" /> 
        
                                    </WhereParameters> 
        
                                </asp:LinqDataSource> 
        
                            </td> 
        
                        </tr> 
        
                        <tr class="odd"> 
        
                            <td> 
        
                                Saldo:</td> 
        
                            <td> 
        
                                Cuota:</td> 
        
                            <td> 
        
                                Cancelar:</td> 
        
                            <td> 
        
                                Días de Atraso:</td> 
        
                            <td> 
        
                                No. de Referencia:</td> 
        
                        </tr> 
        
                        <tr> 
        
                            <td> 
        
                                <telerik:RadNumericTextBox ID="RadNumericTextBox1" Runat="server"  
        
                                    Culture="Spanish (El Salvador)" Type="Currency" Width="125px"> 
        
                                </telerik:RadNumericTextBox> 
        
                            </td> 
        
                            <td> 
        
                                <telerik:RadNumericTextBox ID="RadNumericTextBox3" Runat="server"  
        
                                    Culture="Spanish (El Salvador)" Type="Currency" Width="125px"> 
        
                                </telerik:RadNumericTextBox> 
        
                            </td> 
        
                            <td> 
        
                                <telerik:RadComboBox ID="RadComboBox1" Runat="server"> 
        
                                <Items> 
        
                                <telerik:RadComboBoxItem runat="server" Text="SI" Value="SI"/> 
        
                                <telerik:RadComboBoxItem runat="server" Text="NO" Value="NO"/> 
        
                                </Items> 
        
                                </telerik:RadComboBox> 
        
                            </td> 
        
                            <td> 
        
                                &nbsp;</td> 
        
                            <td> 
        
                                <telerik:RadTextBox ID="RadTextBox3" Runat="server" Text='<%# Bind("REFNOREP_NUM_REFERENCIA") %>'> 
        
                                </telerik:RadTextBox> 
        
                            </td> 
        
                        </tr> 
        
                        <tr class="odd"> 
        
                            <td> 
        
                                Fecha de Apertura:</td> 
        
                            <td> 
        
                                &nbsp;</td> 
        
                            <td> 
        
                                &nbsp;</td> 
        
                            <td> 
        
                                &nbsp;</td> 
        
                            <td> 
        
                                &nbsp;</td> 
        
                        </tr> 
        
                        <tr> 
        
                            <td> 
        
                                <telerik:RadDateInput ID="RadDateInput1" Runat="server"> 
        
                                </telerik:RadDateInput> 
        
                            </td> 
        
                            <td> 
        
                                &nbsp;</td> 
        
                            <td> 
        
                                &nbsp;</td> 
        
                            <td> 
        
                                &nbsp;</td> 
        
                            <td> 
        
                                &nbsp;</td> 
        
                        </tr> 
        
                    </table> 
        
                      <asp:Button ID="Button1" runat="server" Text="Cancelar" CommandName="Cancel" /> 
        
                      <asp:Button ID="Button2" runat="server" Text="Guardar"  
        
                          CommandName="PerformInsert" /> 
        
                </fieldset> 
        
                </InsertItemTemplate> 
        
                <ItemTemplate> 
        
                <fieldset class="fieldset_form"> 
        
                <legend>Referencia</legend> 
        
                    <table class="table_encabezado" style="width: 700px;"> 
        
                        <tr class="odd"> 
        
                            <td colspan="2"> 
        
                                <asp:Localize meta:resourcekey="Institucion" runat="server">Institución:</asp:Localize></td> 
        
                            <td colspan="2"> 
        
                                Relación:</td> 
        
                            <td> 
        
                                Forma de Pago:</td> 
        
                        </tr> 
        
                        <tr > 
        
                            <td> 
        
                                <asp:Label ID="Label1" runat="server" Text='<%# Eval("SRCREF_NOM_ASOC") %>'></asp:Label> 
        
                            </td> 
        
                            <td> 
        
                                &nbsp;</td> 
        
                            <td> 
        
                                <asp:Label ID="Label5" runat="server"  
        
                                    Text='<%# Eval("SRCREF_DESCR_CORTA_RELA") %>'></asp:Label> 
        
                            </td> 
        
                            <td> 
        
                                &nbsp;</td> 
        
                            <td> 
        
                                &nbsp;</td> 
        
                        </tr> 
        
                        <tr class="odd"> 
        
                            <td> 
        
                                Monto Original</td> 
        
                            <td> 
        
                                Saldo</td> 
        
                            <td> 
        
                                Cuota:</td> 
        
                            <td> 
        
                                Días de Atraso:</td> 
        
                            <td> 
        
                                Historial:</td> 
        
                        </tr> 
        
                        <tr> 
        
                            <td> 
        
                                <asp:Label ID="Label2" runat="server"  
        
                                    Text='<%# Eval("SRCREF_MONTO_ORIGINAL", "{0:C}") %>'></asp:Label> 
        
                            </td> 
        
                            <td> 
        
                                <asp:Label ID="Label3" runat="server"  
        
                                    Text='<%# Eval("SRCREF_SALDO_ACTUAL", "{0:C}") %>'></asp:Label> 
        
                            </td> 
        
                            <td> 
        
                                <asp:Label ID="Label4" runat="server" Text='<%# Eval("SRCREF_SALDO_ACTUAL") %>'></asp:Label> 
        
                            </td> 
        
                            <td> 
        
                                <asp:Label ID="Label6" runat="server"  
        
                                    Text='<%# Eval("SRCREF_NUM_DIAS_ATRASO") %>'></asp:Label> 
        
                            </td> 
        
                            <td> 
        
                                <asp:Label ID="Label7" runat="server" Text='<%# Eval("SRCREF_HISTORIA") %>'></asp:Label> 
        
                            </td> 
        
                        </tr> 
        
                        <tr class="odd"> 
        
                            <td> 
        
                                Fecha de Apertura:</td> 
        
                            <td> 
        
                                &nbsp;</td> 
        
                            <td> 
        
                                Cancelar:</td> 
        
                            <td> 
        
                                &nbsp;</td> 
        
                            <td> 
        
                                No. de Referencia:</td> 
        
                        </tr> 
        
                        <tr> 
        
                            <td> 
        
                                <asp:Label ID="Label10" runat="server"  
        
                                    Text='<%# Eval("SRCREF_FEC_INICIO_REL", "{0:d}") %>'></asp:Label> 
        
                            </td> 
        
                            <td> 
        
                                &nbsp;</td> 
        
                            <td> 
        
                                &nbsp;</td> 
        
                            <td> 
        
                                &nbsp;</td> 
        
                            <td> 
        
                                <asp:Label ID="Label8" runat="server" Text='<%# Eval("SRCREF_NUM_REFER") %>'></asp:Label> 
        
                            </td> 
        
                        </tr> 
        
                    </table> 
        
                </fieldset> 
        
                </ItemTemplate> 
        
            </telerik:RadListView> 
        
            <asp:LinqDataSource ID="linqDetalleReferencia" runat="server"  
        
                ContextTypeName="Gestor.Data.Core.GestorAPCDataContext"  
        
                TableName="GST_SRCREF_SRC_REFERENCIA" Where="SRCREF_ID == @SRCREF_ID"  
        
                oninserting="linqDetalleReferencia_Inserting"> 
        
                <WhereParameters> 
        
                    <asp:Parameter DefaultValue="0" Name="SRCREF_ID" Type="Int32" /> 
        
                </WhereParameters> 
        
            </asp:LinqDataSource> 
        
            <telerik:RadListView ID="RadListView2" runat="server" DataKeyNames="REFNOREP_ID"  
        
                DataSourceID="llinqDetalleReferenciaNoReportada" ItemPlaceholderID="listViewContainer"  
        
                PageSize="1"  
        
                oniteminserted="RadListView2_ItemInserted" Visible="False"> 
        
                <LayoutTemplate> 
        
                <asp:PlaceHolder runat="server" ID="listViewContainer"></asp:PlaceHolder> 
        
                </LayoutTemplate> 
        
                <EmptyDataTemplate> 
        
                    <fieldset class="fieldset_form"> 
        
                <legend>Referencia</legend> 
        
                    <table class="table_encabezado" style="width: 700px;"> 
        
                        <tr class="odd"> 
        
                            <td colspan="2"> 
        
                                <asp:Localize ID="Localize1" meta:resourcekey="Institucion" runat="server">Institución:</asp:Localize></td> 
        
                            <td colspan="2"> 
        
                                Relación:</td> 
        
                            <td> 
        
                                Forma de Pago:</td> 
        
                        </tr> 
        
                        <tr > 
        
                            <td> 
        
                                <asp:Label ID="Label1" runat="server" Text='<%# Eval("SRCREF_NOM_ASOC") %>'></asp:Label> 
        
                            </td> 
        
                            <td> 
        
                                &nbsp;</td> 
        
                            <td> 
        
                                <asp:Label ID="Label5" runat="server"  
        
                                    Text='<%# Eval("SRCREF_DESCR_CORTA_RELA") %>'></asp:Label> 
        
                            </td> 
        
                            <td> 
        
                                &nbsp;</td> 
        
                            <td> 
        
                                &nbsp;</td> 
        
                        </tr> 
        
                        <tr class="odd"> 
        
                            <td> 
        
                                Monto Original</td> 
        
                            <td> 
        
                                Saldo</td> 
        
                            <td> 
        
                                Cuota:</td> 
        
                            <td> 
        
                                Días de Atraso:</td> 
        
                            <td> 
        
                                Historial:</td> 
        
                        </tr> 
        
                        <tr> 
        
                            <td> 
        
                                <asp:Label ID="Label2" runat="server"  
        
                                    Text='<%# Eval("SRCREF_MONTO_ORIGINAL", "{0:C}") %>'></asp:Label> 
        
                            </td> 
        
                            <td> 
        
                                <asp:Label ID="Label3" runat="server"  
        
                                    Text='<%# Eval("SRCREF_SALDO_ACTUAL", "{0:C}") %>'></asp:Label> 
        
                            </td> 
        
                            <td> 
        
                                <asp:Label ID="Label4" runat="server" Text='<%# Eval("SRCREF_SALDO_ACTUAL") %>'></asp:Label> 
        
                            </td> 
        
                            <td> 
        
                                &nbsp; 
        
                            </td> 
        
                            <td> 
        
                                <asp:Label ID="Label7" runat="server" Text='<%# Eval("SRCREF_HISTORIA") %>'></asp:Label> 
        
                            </td> 
        
                        </tr> 
        
                        <tr class="odd"> 
        
                            <td> 
        
                                Fecha de Apertura:</td> 
        
                            <td> 
        
                                &nbsp;</td> 
        
                            <td> 
        
                                Cancelar:</td> 
        
                            <td> 
        
                                &nbsp;</td> 
        
                            <td> 
        
                                No. de Referencia:</td> 
        
                        </tr> 
        
                        <tr> 
        
                            <td> 
        
                                <asp:Label ID="Label10" runat="server"  
        
                                    Text='<%# Eval("SRCREF_FEC_INICIO_REL", "{0:d}") %>'></asp:Label> 
        
                            </td> 
        
                            <td> 
        
                                &nbsp;</td> 
        
                            <td> 
        
                                &nbsp;</td> 
        
                            <td> 
        
                                &nbsp;</td> 
        
                            <td> 
        
                                <asp:Label ID="Label8" runat="server" Text='<%# Eval("SRCREF_NUM_REFER") %>'></asp:Label> 
        
                            </td> 
        
                        </tr> 
        
                    </table> 
        
                </fieldset> 
        
                </EmptyDataTemplate> 
        
                <EditItemTemplate> 
        
                       <fieldset class="fieldset_form"> 
        
                <legend>Referencia</legend> 
        
                    <table class="table_encabezado" style="width: 700px;"> 
        
                        <tr class="odd"> 
        
                            <td> 
        
                                <asp:Localize ID="Localize3" meta:resourcekey="Institucion" runat="server">Institución:</asp:Localize></td> 
        
                            <td> 
        
                                Relación:</td> 
        
                            <td> 
        
                                Forma de Pago:</td> 
        
                        </tr> 
        
                        <tr > 
        
                            <td> 
        
                                                  <telerik:RadTextBox ID="RadTextBox4" Runat="server"  
        
                                    Text='<%# Bind("REFNOREP_INST") %>' Width="125px"> 
        
                                </telerik:RadTextBox> 
        
                            </td> 
        
                            <td> 
        
                                                 <telerik:RadComboBox ID="RadComboBox4" Runat="server"  
        
                                    DataSourceID="LinqDataSource1" DataTextField="TIPREL_DES"  
        
                                    DataValueField="TIPREL_ID" SelectedValue='<%# Bind("TIPREL_ID") %>' > 
        
                                </telerik:RadComboBox> 
        
                                <asp:LinqDataSource ID="LinqDataSource1" runat="server"  
        
                                    ContextTypeName="Gestor.Data.Core.GestorAPCDataContext"  
        
                                    Select="new (TIPREL_ID, TIPREL_DES)" TableName="CTG_TIPREL_TIPO_RELACION"  
        
                                    Where="TIPREL_ACTIVO == @TIPREL_ACTIVO"> 
        
                                    <WhereParameters> 
        
                                        <asp:Parameter DefaultValue="true" Name="TIPREL_ACTIVO" Type="Boolean" /> 
        
                                    </WhereParameters> 
        
                                </asp:LinqDataSource> 
        
                            </td> 
        
                            <td> 
        
                               <telerik:RadComboBox ID="RadComboBox5" Runat="server"  
        
                                    DataSourceID="LinqDataSource2" DataTextField="FPAGO_DES"  
        
                                    DataValueField="FPAGO_ID" SelectedValue='<%# Bind("FPAGO_ID") %>'> 
        
                                </telerik:RadComboBox> 
        
                                <asp:LinqDataSource ID="LinqDataSource2" runat="server"  
        
                                    ContextTypeName="Gestor.Data.Core.GestorAPCDataContext"  
        
                                    Select="new (FPAGO_DES, FPAGO_ID)" TableName="CTG_FPAGO_FORMA_PAGO"  
        
                                    Where="FPAGO_ACTIVO == @FPAGO_ACTIVO"> 
        
                                    <WhereParameters> 
        
                                        <asp:Parameter DefaultValue="true" Name="FPAGO_ACTIVO" Type="Boolean" /> 
        
                                    </WhereParameters> 
        
                                </asp:LinqDataSource> 
        
                            </td> 
        
                        </tr> 
        
                        <tr class="odd"> 
        
                            <td> 
        
                                Cuota:</td> 
        
                            <td> 
        
                                Saldo:</td> 
        
                            <td> 
        
                                No. de Referencia:</td> 
        
                        </tr> 
        
                        <tr> 
        
                            <td> 
        
                                                                   <telerik:RadNumericTextBox ID="RadNumericTextBox4" Runat="server"  
        
                                    Culture="Spanish (El Salvador)" Value='<%# Bind("REFNOREP_CUOTA") %>' DataType="System.Decimal" Type="Currency" Width="125px"> 
        
                                </telerik:RadNumericTextBox> 
        
                            </td> 
        
                            <td> 
        
                                                <telerik:RadNumericTextBox ID="RadNumericTextBox2" Runat="server"  
        
                                    Culture="Spanish (El Salvador)" Value='<%# Bind("REFNOREP_SALDO") %>' DataType="System.Decimal" Type="Currency" Width="125px" > 
        
                                </telerik:RadNumericTextBox> 
        
                            </td> 
        
                            <td> 
        
                                                <telerik:RadTextBox ID="RadTextBox1" Runat="server" Text='<%# Bind("REFNOREP_NUM_REFERENCIA") %>'> 
        
                                </telerik:RadTextBox> 
        
                            </td> 
        
                        </tr> 
        
                    </table> 
        
                     <asp:Button ID="Button4" runat="server" Text="Cancelar" CommandName="Cancel" /><asp:Button ID="Button5" 
        
                        runat="server" Text="Guardar" CommandName="Update" /> 
        
                </fieldset> 
        
                </EditItemTemplate> 
        
                <InsertItemTemplate> 
        
                    <fieldset class="fieldset_form"> 
        
                <legend>Referencia</legend> 
        
                    <table class="table_encabezado" style="width: 700px;"> 
        
                        <tr class="odd"> 
        
                            <td> 
        
                                <asp:Localize ID="Localize3" meta:resourcekey="Institucion" runat="server">Institución:</asp:Localize></td> 
        
                            <td> 
        
                                Relación:</td> 
        
                            <td> 
        
                                Forma de Pago:</td> 
        
                        </tr> 
        
                        <tr > 
        
                            <td> 
        
                                                  <telerik:RadTextBox ID="RadTextBox4" Runat="server"  
        
                                    Text='<%# Bind("REFNOREP_INST") %>' Width="125px"> 
        
                                </telerik:RadTextBox> 
        
                            </td> 
        
                            <td> 
        
                                                 <telerik:RadComboBox ID="RadComboBox4" Runat="server"  
        
                                    DataSourceID="LinqDataSource1" DataTextField="TIPREL_DES"  
        
                                    DataValueField="TIPREL_ID" SelectedValue='<%# Bind("TIPREL_ID") %>' > 
        
                                </telerik:RadComboBox> 
        
                                <asp:LinqDataSource ID="LinqDataSource1" runat="server"  
        
                                    ContextTypeName="Gestor.Data.Core.GestorAPCDataContext"  
        
                                    Select="new (TIPREL_ID, TIPREL_DES)" TableName="CTG_TIPREL_TIPO_RELACION"  
        
                                    Where="TIPREL_ACTIVO == @TIPREL_ACTIVO"> 
        
                                    <WhereParameters> 
        
                                        <asp:Parameter DefaultValue="true" Name="TIPREL_ACTIVO" Type="Boolean" /> 
        
                                    </WhereParameters> 
        
                                </asp:LinqDataSource> 
        
                            </td> 
        
                            <td> 
        
                               <telerik:RadComboBox ID="RadComboBox5" Runat="server"  
        
                                    DataSourceID="LinqDataSource2" DataTextField="FPAGO_DES"  
        
                                    DataValueField="FPAGO_ID" SelectedValue='<%# Bind("FPAGO_ID") %>'> 
        
                                </telerik:RadComboBox> 
        
                                <asp:LinqDataSource ID="LinqDataSource2" runat="server"  
        
                                    ContextTypeName="Gestor.Data.Core.GestorAPCDataContext"  
        
                                    Select="new (FPAGO_DES, FPAGO_ID)" TableName="CTG_FPAGO_FORMA_PAGO"  
        
                                    Where="FPAGO_ACTIVO == @FPAGO_ACTIVO"> 
        
                                    <WhereParameters> 
        
                                        <asp:Parameter DefaultValue="true" Name="FPAGO_ACTIVO" Type="Boolean" /> 
        
                                    </WhereParameters> 
        
                                </asp:LinqDataSource> 
        
                            </td> 
        
                        </tr> 
        
                        <tr class="odd"> 
        
                            <td> 
        
                                Cuota:</td> 
        
                            <td> 
        
                                Saldo:</td> 
        
                            <td> 
        
                                No. de Referencia:</td> 
        
                        </tr> 
        
                        <tr> 
        
                            <td> 
        
                                                                   <telerik:RadNumericTextBox ID="RadNumericTextBox4" Runat="server"  
        
                                    Culture="Spanish (El Salvador)" Value='<%# Bind("REFNOREP_CUOTA") %>' Width="125px"  
        
                                                                       DataType="System.Decimal"> 
        
                                </telerik:RadNumericTextBox> 
        
                            </td> 
        
                            <td> 
        
                                                <telerik:RadNumericTextBox ID="RadNumericTextBox2" Runat="server"  
        
                                    Culture="Spanish (El Salvador)" Value='<%# Bind("REFNOREP_SALDO") %>' Type="Currency"  
        
                                                    Width="125px" DataType="System.Decimal"> 
        
                                </telerik:RadNumericTextBox> 
        
                            </td> 
        
                            <td> 
        
                                                <telerik:RadTextBox ID="RadTextBox1" Runat="server" Text='<%# Bind("REFNOREP_NUM_REFERENCIA") %>'> 
        
                                </telerik:RadTextBox> 
        
                            </td> 
        
                        </tr> 
        
                    </table> 
        
                 <asp:Button ID="Button4" runat="server" Text="Cancelar" CommandName="Cancelar" /><asp:Button ID="Button5" 
        
                        runat="server" Text="Guardar" CommandName="PerformInsert" /> 
        
                </fieldset> 
        
                </InsertItemTemplate> 
        
                <ItemTemplate> 
        
                <fieldset class="fieldset_form"> 
        
                <legend>Referencia</legend> 
        
                    <table class="table_encabezado" style="width: 700px;"> 
        
                        <tr class="odd"> 
        
                            <td> 
        
                                <asp:Localize meta:resourcekey="Institucion" runat="server">Institución:</asp:Localize></td> 
        
                            <td> 
        
                                Relación:</td> 
        
                            <td> 
        
                                Forma de Pago:</td> 
        
                        </tr> 
        
                        <tr > 
        
                            <td> 
        
                                <asp:Label ID="Label12" runat="server" Text='<%# Eval("REFNOREP_INST") %>'></asp:Label> 
        
                            </td> 
        
                            <td> 
        
                                <asp:Label ID="Label13" runat="server"  
        
                                    Text='<%# Eval("CTG_TIPREL_TIPO_RELACION.TIPREL_DES") %>'></asp:Label> 
        
                            </td> 
        
                            <td> 
        
                                <asp:Label ID="Label20" runat="server"  
        
                                    Text='<%# Eval("CTG_FPAGO_FORMA_PAGO.FPAGO_DES") %>'></asp:Label> 
        
                            </td> 
        
                        </tr> 
        
                        <tr class="odd"> 
        
                            <td> 
        
                                Cuota:</td> 
        
                            <td> 
        
                                Saldo:</td> 
        
                            <td> 
        
                                No. de Referencia:</td> 
        
                        </tr> 
        
                        <tr> 
        
                            <td> 
        
                                <asp:Label ID="Label16" runat="server"  
        
                                    Text='<%# Eval("REFNOREP_CUOTA", "{0:C}") %>'></asp:Label> 
        
                            </td> 
        
                            <td> 
        
                                <asp:Label ID="Label15" runat="server"  
        
                                    Text='<%# Eval("REFNOREP_SALDO", "{0:C}") %>'></asp:Label> 
        
                            </td> 
        
                            <td> 
        
                                <asp:Label ID="Label19" runat="server"  
        
                                    Text='<%# Eval("REFNOREP_NUM_REFERENCIA") %>'></asp:Label> 
        
                            </td> 
        
                        </tr> 
        
                    </table> 
        
                   <asp:Button ID="Button6" runat="server" CommandName="Edit" Text="Modificar" /> 
        
                </fieldset> 
        
                </ItemTemplate> 
        
            </telerik:RadListView> 
        
            <asp:LinqDataSource ID="llinqDetalleReferenciaNoReportada" runat="server"  
        
                ContextTypeName="Gestor.Data.Core.GestorAPCDataContext" EnableDelete="True"  
        
                EnableInsert="True" EnableUpdate="True" TableName="EXP_REFNOREP_NO_REPORTADAS"  
        
                Where="REFNOREP_ID == @REFNOREP_ID"  
        
                oninserting="llinqDetalleReferenciaNoReportada_Inserting"> 
        
                <WhereParameters> 
        
                    <asp:Parameter DefaultValue="0" Name="REFNOREP_ID" Type="Int32" /> 
        
                </WhereParameters> 
        
            </asp:LinqDataSource> 
        
            <telerik:RadTabStrip ID="RadTabStrip1" runat="server"  
        
                MultiPageID="RadMultiPage1" SelectedIndex="0"> 
        
                <tabs> 
        
                    <telerik:RadTab runat="server" Text="Activas" Selected="True"> 
        
                    </telerik:RadTab> 
        
                    <telerik:RadTab runat="server" Text="Canceladas"> 
        
                    </telerik:RadTab> 
        
                    <telerik:RadTab runat="server" Text="Activas no Reportadas"> 
        
                    </telerik:RadTab> 
        
                </tabs> 
        
            </telerik:RadTabStrip> 
        
            <telerik:RadMultiPage ID="RadMultiPage1" Runat="server" SelectedIndex="0"> 
        
                <telerik:RadPageView ID="RadPageView1" runat="server"> 
        
                    <telerik:RadGrid ID="gridActivas" runat="server" AutoGenerateColumns="False"  
        
                        DataSourceID="linqReferenciasActivas" GridLines="None" Width="100%"  
        
                        onselectedindexchanged="gridCanceladas_SelectedIndexChanged"> 
        
                        <HeaderContextMenu EnableAutoScroll="True"> 
        
                        </HeaderContextMenu> 
        
                        <ClientSettings EnablePostBackOnRowClick="true"> 
        
                        <Selecting AllowRowSelect="true" /> 
        
                        </ClientSettings> 
        
                        <MasterTableView DataSourceID="linqReferenciasActivas" DataKeyNames="SRCREF_ID"> 
        
                            <RowIndicatorColumn> 
        
                                <HeaderStyle Width="20px" /> 
        
                            </RowIndicatorColumn> 
        
                            <ExpandCollapseColumn> 
        
                                <HeaderStyle Width="20px" /> 
        
                            </ExpandCollapseColumn> 
        
                            <Columns> 
        
                              <telerik:GridBoundColumn DataField="SRCREF_NOM_ASOC"  
        
                                    HeaderText="Institución"  ReadOnly="True" SortExpression="SRCREF_NOM_ASOC"  
        
                                    UniqueName="SRCREF_NOM_ASOC"> 
        
                                </telerik:GridBoundColumn> 
        
                              <telerik:GridBoundColumn DataField="SRCREF_NUM_REFER"  
        
                                    HeaderText="No. de Referencia" SortExpression="SRCREF_NUM_REFER"  
        
                                    UniqueName="SRCREF_NUM_REFER" ReadOnly="True"> 
        
                                </telerik:GridBoundColumn> 
        
                                <telerik:GridBoundColumn DataField="SRCREF_DESCR_CORTA_RELA"  
        
                                    HeaderText="Relación" ReadOnly="True" SortExpression="SRCREF_DESCR_CORTA_RELA"  
        
                                    UniqueName="SRCREF_DESCR_CORTA_RELA"> 
        
                                </telerik:GridBoundColumn> 
        
                                <telerik:GridBoundColumn DataField="SRCREF_MONTO_ORIGINAL" DataFormatString="{0:C}" 
        
                                    HeaderText="Monto" SortExpression="SRCREF_MONTO_ORIGINAL"  
        
                                    UniqueName="SRCREF_MONTO_ORIGINAL" DataType="System.Decimal"  
        
                                    ReadOnly="True"> 
        
                                </telerik:GridBoundColumn> 
        
                                <telerik:GridBoundColumn DataField="SRCREF_SALDO_ACTUAL"  
        
                                    DataType="System.Decimal" HeaderText="Saldo Actual"  
        
                                    SortExpression="SRCREF_SALDO_ACTUAL" UniqueName="SRCREF_SALDO_ACTUAL"  
        
                                    ReadOnly="True"> 
        
                                </telerik:GridBoundColumn> 
        
                            </Columns> 
        
                        </MasterTableView> 
        
                    </telerik:RadGrid> 
        
                    <asp:LinqDataSource ID="linqReferenciasActivas" runat="server"  
        
                        ContextTypeName="Gestor.Data.Core.GestorAPCDataContext"  
        
                        TableName="GST_SRCREF_SRC_REFERENCIA"  
        
                          Where="PER_ID == @PER_ID &amp;&amp; SRCREF_ACTIVA == @SRCREF_ACTIVA"  
        
                        OnSelecting="linqReferenciasInactivas_Selecting" 
        
                        Select="new (SRCREF_ID,SRCREF_DESCR_CORTA_RELA, SRCREF_MONTO_ORIGINAL, SRCREF_NUM_REFER, SRCREF_SALDO_ACTUAL, SRCREF_NOM_ASOC)"> 
        
                        <whereparameters> 
        
                        <asp:Parameter Name="PER_ID" Type="Int64" /> 
        
                            <asp:Parameter DefaultValue="true" Name="SRCREF_ACTIVA" Type="Boolean" /> 
        
                        </whereparameters> 
        
                    </asp:LinqDataSource> 
        
            </telerik:RadPageView> 
        
                <telerik:RadPageView ID="RadPageView2" runat="server"> 
        
                <telerik:RadGrid ID="gridCanceladas" runat="server"  
        
                        DataSourceID="linqReferenciasInactivas" GridLines="None"  
        
                        onselectedindexchanged="gridCanceladas_SelectedIndexChanged"> 
        
                    <headercontextmenu enableautoscroll="True"> 
        
                    </headercontextmenu> 
        
                    <ClientSettings EnablePostBackOnRowClick="true"> 
        
                  <Selecting AllowRowSelect="true" /> 
        
                    </ClientSettings> 
        
                    <mastertableview autogeneratecolumns="False" datakeynames="SRCREF_ID"  
        
                        datasourceid="linqReferenciasInactivas"> 
        
                        <rowindicatorcolumn> 
        
                            <HeaderStyle Width="20px" /> 
        
                        </rowindicatorcolumn> 
        
                        <expandcollapsecolumn> 
        
                            <HeaderStyle Width="20px" /> 
        
                        </expandcollapsecolumn> 
        
                             <Columns> 
        
                              <telerik:GridBoundColumn DataField="SRCREF_NOM_ASOC"  
        
                                    HeaderText="Institución" ReadOnly="True" SortExpression="SRCREF_NOM_ASOC"  
        
                                    UniqueName="SRCREF_NOM_ASOC"> 
        
                                </telerik:GridBoundColumn> 
        
                              <telerik:GridBoundColumn DataField="SRCREF_NUM_REFER"  
        
                                    HeaderText="No. de Referencia" SortExpression="SRCREF_NUM_REFER"  
        
                                    UniqueName="SRCREF_NUM_REFER" ReadOnly="True"> 
        
                                </telerik:GridBoundColumn> 
        
                                <telerik:GridBoundColumn DataField="SRCREF_DESCR_CORTA_RELA"  
        
                                    HeaderText="Relación" ReadOnly="True" SortExpression="SRCREF_DESCR_CORTA_RELA"  
        
                                    UniqueName="SRCREF_DESCR_CORTA_RELA"> 
        
                                </telerik:GridBoundColumn> 
        
                                <telerik:GridBoundColumn DataField="SRCREF_MONTO_ORIGINAL" DataFormatString="{0:C}" 
        
                                    HeaderText="Monto" SortExpression="SRCREF_MONTO_ORIGINAL"  
        
                                    UniqueName="SRCREF_MONTO_ORIGINAL" DataType="System.Decimal"  
        
                                    ReadOnly="True"> 
        
                                </telerik:GridBoundColumn> 
        
                                <telerik:GridBoundColumn DataField="SRCREF_FEC_FIN_REL" DataFormatString="{0:d}" 
        
                                    DataType="System.Decimal" HeaderText="Fecha de Cancelación"  
        
                                    SortExpression="SRCREF_SALDO_ACTUAL" UniqueName="SRCREF_SALDO_ACTUAL"  
        
                                    ReadOnly="True"> 
        
                                </telerik:GridBoundColumn> 
        
                            </Columns> 
        
                    </mastertableview> 
        
                </telerik:RadGrid> 
        
                    <asp:LinqDataSource ID="linqReferenciasInactivas" runat="server"  
        
                        ContextTypeName="Gestor.Data.Core.GestorAPCDataContext"  
        
                        TableName="GST_SRCREF_SRC_REFERENCIA"  
        
                        Where="PER_ID == @PER_ID &amp;&amp; SRCREF_ACTIVA == @SRCREF_ACTIVA"  
        
                        onselecting="linqReferenciasInactivas_Selecting"> 
        
                        <whereparameters> 
        
                            <asp:Parameter Name="PER_ID" Type="Int64" /> 
        
                            <asp:Parameter DefaultValue="false" Name="SRCREF_ACTIVA" Type="Boolean" /> 
        
                        </whereparameters> 
        
                    </asp:LinqDataSource> 
        
                <br /> 
        
            </telerik:RadPageView> 
        
                <telerik:RadPageView ID="RadPageView3" Runat="server" Width="100%"> 
        
                    <telerik:RadGrid ID="gridNoReportadas" runat="server"  
        
                        DataSourceID="linqReferenciasNoReportadas" GridLines="None"  
        
                        onselectedindexchanged="RadGrid1_SelectedIndexChanged"> 
        
                        <HeaderContextMenu EnableAutoScroll="True"> 
        
                        </HeaderContextMenu> 
        
                        <MasterTableView AutoGenerateColumns="False" DataKeyNames="REFNOREP_ID"  
        
                            DataSourceID="linqReferenciasNoReportadas" CommandItemDisplay="Top"> 
        
                            <Columns> 
        
                                <telerik:GridBoundColumn DataField="REFNOREP_INST" HeaderText="Institución"  
        
                                    SortExpression="REFNOREP_INST" UniqueName="REFNOREP_INST"> 
        
                                </telerik:GridBoundColumn> 
        
                              <telerik:GridBoundColumn DataField="REFNOREP_NUM_REFERENCIA"  
        
                                    HeaderText="No. Referencia" SortExpression="REFNOREP_NUM_REFERENCIA"  
        
                                    UniqueName="REFNOREP_NUM_REFERENCIA"> 
        
                                </telerik:GridBoundColumn> 
        
                              <telerik:GridBoundColumn DataField="CTG_TIPREL_TIPO_RELACION.TIPREL_DES" DataType="System.Int32"  
        
                                    HeaderText="Relación" SortExpression="TIPREL_ID" UniqueName="TIPREL_ID"> 
        
                                </telerik:GridBoundColumn> 
        
                              <telerik:GridBoundColumn DataField="REFNOREP_SALDO" DataType="System.Decimal"  
        
                                    HeaderText="Saldo" SortExpression="REFNOREP_SALDO"  
        
                                    UniqueName="REFNOREP_SALDO"> 
        
                                </telerik:GridBoundColumn> 
        
                              <telerik:GridBoundColumn DataField="REFNOREP_CUOTA" DataType="System.Decimal"  
        
                                    HeaderText="Cuota" SortExpression="REFNOREP_CUOTA"  
        
                                    UniqueName="REFNOREP_CUOTA"> 
        
                                </telerik:GridBoundColumn> 
        
                            </Columns> 
        
                            <CommandItemTemplate> 
        
                                <telerik:RadToolBar ID="RadToolBar2" Runat="server"  
        
                                    onbuttonclick="RadToolBar2_ButtonClick"> 
        
                                    <Items> 
        
                                        <telerik:RadToolBarButton runat="server" Text="Nueva" CommandName="NUEVO"> 
        
                                        </telerik:RadToolBarButton> 
        
                                        <telerik:RadToolBarButton runat="server" Text="Modificar" CommandName="MODIFICAR"> 
        
                                        </telerik:RadToolBarButton> 
        
                                    </Items> 
        
                                </telerik:RadToolBar> 
        
                            </CommandItemTemplate> 
        
                        </MasterTableView> 
        
                        <ClientSettings EnablePostBackOnRowClick="True"> 
        
                            <Selecting AllowRowSelect="True" /> 
        
                        </ClientSettings> 
        
                    </telerik:RadGrid> 
        
                    <asp:LinqDataSource ID="linqReferenciasNoReportadas" runat="server"  
        
                        ContextTypeName="Gestor.Data.Core.GestorAPCDataContext"  
        
                        onselecting="linqReferenciasNoReportadas_Selecting"  
        
                        TableName="EXP_REFNOREP_NO_REPORTADAS" Where="PER_ID == @PER_ID"> 
        
                        <WhereParameters> 
        
                            <asp:Parameter DefaultValue="0" Name="PER_ID" Type="Int64" /> 
        
                        </WhereParameters> 
        
                    </asp:LinqDataSource> 
        
                    <asp:Button ID="Button3" runat="server" onclick="Button3_Click"  
        
                        Text="Nuevo" /> 
        
                </telerik:RadPageView> 
        
            </telerik:RadMultiPage>
answered on 02 Jun 2010, 11:40 AM
Hi Roberto,

The cause for the error you are getting is the fact that RadListView's RadListViewInsertItem is not databound by default, similar to the MS ListView. Therefore in order to use such binding you may need to manually call DataBind of the InsertItem. For example:
protected void RadListView1_DataBound(object sender, EventArgs e)
{
if (RadListView1.InsertItemPosition !=
Telerik.Web.UI.RadListViewInsertItemPosition.None)
{
RadListView1.InsertItem.DataBind();
}
However as we identify this behavior not very intuitive, we will consider to modify this behavior for the next version of the control.

Kind regards,
Rosen
the Telerik team
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