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Could not load file or assembly ‘Microsoft.ReportViewer.WebForms’ – Install ReportViewer Control

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The error is due to missing assemblies of ReportViewer.

goto C:\Program Files\Microsoft Visual Studio 8.0\ReportViewer ( 9.0 if you are using 2008 environment.)

Copy following files in BIN file of your deployment

  • Microsoft.ReportViewer.Common.dll
  • Microsoft.ReportViewer.WebForms.dll
  • Microsoft.ReportViewer.WebForms.xml
  • Microsoft.ReportViewer.WinForms.dll
  • Microsoft.ReportViewer.WinForms.xml

    If you can’t find ReportViewer folder, you can get the same

    Visual Studio 2005:

    Visual Studio 2008:

    Just..extract, install and you have folder called ReportViewer.


    Written by Manish

    August 9, 2010 at 7:53 pm

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