I found answer
here[
here]
Go to IIS7 Manager, find the virtual directory for our application
Click on 'Handler Mappings'
Click on 'Add managed Handler'
Fill in these details:
* Request path: Reserved.ReportViewerWebControl.axd
* Type: Microsoft.Reporting.WebForms.HttpHandler, Microsoft.ReportViewer.WebForms, Version=9.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
* Name: Reserved.ReportViewerWebControl.axd