Error in using report viewer in visual studio 2012 in design mode

c# visual-studio-2012 reportviewer report-viewer2010
Beginner picture Beginner · Apr 17, 2013 · Viewed 17.3k times · Source

I'm using visual studio 2012 to develop a MVC application. I have added an ascx page to my project to put the report viewer in. When I drag and drop the ReportViewer component from toolbox in the page, It doesn't show the ReportViewer correctly and shows this error on it:

Failed to create designer 'Microsoft.Reporting.WebForms.ReportViewer, Microsoft.Reporting.WebForms version 10.0.0.0, Culture=natural, PublicKeyToken=b03f5f7f11d50a3a'

I have also added Microsoft.ReportViewer.WebForms assembly to the project References. Is there anything wrong with reportviewer in Visual Studio 2012? Any help is appreciated in advance.

Answer

Beginner picture Beginner · Apr 17, 2013

SOLVED!

  1. I downloaded and installed Report Viewer 2010 version.
  2. Then I added Microsoft.ReportViewer.WebForms.DLL assembly file from C:\Windows\assembly\GAC_MSIL\Microsoft.ReportViewer.WebForms\11.0.0.0__89845dcd8080cc91.
  3. And finally I added the following line to the .ascx file. <%@ Register assembly="Microsoft.ReportViewer.WebForms, Version=11.0.0.0, Culture=neutral, PublicKeyToken=89845dcd8080cc91" namespace="Microsoft.Reporting.WebForms" tagprefix="rsweb" %>

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