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I was planning on adding another handler in my webconfig to make my reportviewer and updatepanel works

this is my current web.config


<system.webServer>
    <handlers>

    <!-- another handler to add here  -->

      <add name="ReportViewerWebControlHandler" preCondition="integratedMode" verb="*" path="Reserved.ReportViewerWebControl.axd" type="Microsoft.Reporting.WebForms.HttpHandler, Microsoft.ReportViewer.WebForms, Version=11.0.0.0, Culture=neutral, PublicKeyToken=89845dcd8080cc91"/>

    </handlers>
  </system.webServer>

i tried adding this handler

      <add name="ReportViewerWebControlHandlerV15" preCondition="integratedMode" verb="*" path="Reserved.ReportViewerWebControl.axd" type="Microsoft.Reporting.WebForms.HttpHandler, Microsoft.ReportViewer.WebForms, Version=15.0.0.0, Culture=neutral, PublicKeyToken=89845dcd8080cc91"/>

and it works then after the next day for some reason the other system will not work, then i tried changing the name of the handler then it works again, then after that it will not work again, its been looping for days, i was wondering if i have to add something more to resolve this issue.

there was other system that was set up as for version 11 only, but my work is for version 15 so i was researching stuff for web config but sadly i didnt get any solution

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  • Can I see the place where you're using this handler, in your code? "ReportViewerWebControlHandler" Commented Sep 11, 2023 at 8:28
  • actually im not really familiar with this, but when i make my program ive been using the reportviewer version 15, but i didnt know that i have to make it version 11, but when i change the web config into version 11, the updatepanels and reportviewers is not working, so i was thinking of having 2 handlers so i can make it both v15 and v11 Commented Sep 12, 2023 at 1:53
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