Issue with Dynamic Connection Change in Telerik HTML5 Report Viewer and Report Designer

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.NET Core .NET Framework Report Viewer - HTML5 Report Viewer - HTML5 WebForms Report Viewer - MVC
jhonatan
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jhonatan asked on 25 Apr 2025, 03:39 PM

Hi everyone,

I'm having an issue with Telerik Report Viewer (HTML5 version) and Telerik Report Designer. I'm trying to change the database connection dynamically, and although the new connection string is being passed correctly (I’ve confirmed this by printing the in-memory values), the report viewer keeps using the initial connection and doesn't apply the new one.

What's even stranger is that after clearing cookies, browser data, and restarting the site, it still sticks to the first connection it received. It feels like Telerik stores this connection internally (maybe through caching or some static variable) and won’t allow it to update.

Has anyone experienced something similar or knows how to force the viewer to use the new connection?
Any suggestions or guidance would be greatly appreciated.

Thanks in advance.

No answers yet. Maybe you can help?

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.NET Core .NET Framework Report Viewer - HTML5 Report Viewer - HTML5 WebForms Report Viewer - MVC
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