ReportViewer Styles and Images Are All Messed Up
|Product||Progress® Telerik® Reporting|
|Version||Q2 2012 and later|
|Report Viewers||ASP.NET WebForms Report Viewer|
This article relates only to the Legacy Report Viewer. You may be looking for HTML5 Report Viewer Troubleshooting
To solve the occurred issue:
- Check if
runat="server"is present in the head tag of your web page.
Check if the web HTTP handler of your ReportViewer is registered in the
web.configfile. If the application is deployed on IIS7 and set up to work in the integrated mode, make sure that the
preConditionattribute is present at the end of the
<add name="Telerik.ReportViewer.axd_*" type="Telerik.ReportViewer.WebForms.HttpHandler, Telerik.ReportViewer.WebForms, Version=x.x.x.x, Culture=neutral, PublicKeyToken=a9d7983dfcc261be" path="Telerik.ReportViewer.axd" verb="*" preCondition="integratedMode" />
Check if the styles of the ReportViewer are registered on the page. This can be accomplished with an HTTP debugging proxy like Fiddler.
- Check for global styles defined in the application which affect the page with the ReportViewer and conflict with its styles. Remove any style declarations from the page. Make sure the global style rules do not affect HTML elements directly, but are applied through the