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Report Viewer Web Control HTTP Handler has not been registered in applications web.config

Posted on 2011-09-02
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Last Modified: 2012-05-12
I am using Framework 4.0 and VS 2010. I have generated a report(.rdlc) and called from one of the pages. I am getting the below exception.

Exception message: The Report Viewer Web Control HTTP Handler has not been registered in the application's web.config file. Add <add verb="*" path="Reserved.ReportViewerWebControl.axd" type = "Microsoft.Reporting.WebForms.HttpHandler, Microsoft.ReportViewer.WebForms, Version=10.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" /> to the system.web/httpHandlers section of the web.config file.

NOTE: I have tried the following

- I have installed the Microsoft Report Viewer 2010 Redistributable Package.
- Copied the Reportviewer.Common and ReportViewer.WebForms into my application's BIN directory
- Application's web.config has the following ::


<httpHandlers>      
      <add path="Reserved.ReportViewerWebControl.axd" verb="*" type="Microsoft.Reporting.WebForms.HttpHandler, Microsoft.ReportViewer.WebForms, Version=10.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" validate="false" />
    </httpHandlers>
  </system.web>
  <system.webServer>
    <modules runAllManagedModulesForAllRequests="true" />
    <validation validateIntegratedModeConfiguration="false" />
    <handlers>
      <add name="ReportViewerWebControlHandler" preCondition="integratedMode" verb="*" path="Reserved.ReportViewerWebControl.axd" type="Microsoft.Reporting.WebForms.HttpHandler, Microsoft.ReportViewer.WebForms, Version=10.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" />
    </handlers>
  </system.webServer>

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Question by:cimscims
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Miguel Oz earned 500 total points
ID: 36476140
Try:
- Delete both dll from bin folder.
- delete entries on we.config.
-Add both dll using add reference context menu of website. (From your install dll location).
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Author Closing Comment

by:cimscims
ID: 37273528
Sorry. Forgot about this.
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