ASP.NET Report Viewer Version 9.0 problem

Solving Report Viewer Rendering Issue on IIS7

Issues

• Unable to render Report Viewer on ASP.NET Web pages while running on IIS7.
• You have no problem viewing your reports when running on debug mode with your Visual Studio 2005.
• You are able to view your reports on Report Manager but not able to view them on IIS7.
• You encounter JavaScript error when loading your report page with Report Viewer. Image buttons such as calendar appear as red 'X'.

Solution

In the WebConfig File

<buildProviders>
<add extension=".rdlc" type="Microsoft.Reporting.RdlBuildProvider, Microsoft.ReportViewer.Common, Version=9.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" />
</buildProviders>

<httpHandlers>
<add path="Reserved.ReportViewerWebControl.axd" verb="*" type="Microsoft.Reporting.WebForms.HttpHandler, Microsoft.ReportViewer.WebForms, Version=9.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a"
validate="false" />
</httpHandlers>

• Open Internet Information Services (IIS) Manager and select your Web application.
• Under IIS area, double-click on Handler Mappings icon.
• At the Action pane on your right, click on Add Managed Handler.
• At the Add Managed Handler dialog, enter the following:
  Request path: Reserved.ReportViewerWebControl.axd
  Type: Microsoft.Reporting.WebForms.HttpHandler
  Name: Reserved-ReportViewerWebControl-axd
• Click OK.

Follow Link:http://otkfounder.blogspot.com/2007/11/solving-reportviewer-rendering-issue-on.html