IIS 7.0 Report viewer Setting

1) Click on MIME Types :- 

            Action Pen : Add 

            FileNmae Extenstion :- .axd

            MIME Type :- application/octet-stream

2) Click on Handler Mapping :-

       Action pan Click Add Manage Handler

       Request path: Reserved.ReportViewerWebControl.axd

       Type: Microsoft.Reporting.WebForms.HttpHandler

       Name: Reserved-ReportViewerWebControl-axd