How to fix iis7 issue that can not show report viewer files.

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Saturday, August 22, 2009

this.controller is null or not an object reportviewer / Report Viewer Control missing Header Icons

In IIS 7, we need to make sure we configurate the ReportViewer handler.

You can follow these steps:

o Open Internet Information Services (IIS) Manager and select your Web application.

o Under IIS area, double-click on Handler Mappings icon.

o At the Action pane on your right, click on Add Managed Handler.

o At the Add Managed Handler dialog, enter the following:

Request path: Reserved.ReportViewerWebControl.axd

Type: Microsoft.Reporting.WebForms.HttpHandler

Name: Reserved-ReportViewerWebControl-axd

o Click OK.