Microsoft JScript runtime error:

[Chandran Chandran]

Hi,
I am getting the followinf error in my project. I just added already configured and running form into my application. Once after i added the file and run the same i am getting the following runtime error:

"Microsoft JScript runtime error: 'Sys.WebForms.PageRequestManager' is null or not an object"

I dont know why this error caused, i just added already existed file, which is featuring RadGrid control. Why this error is coming please help me.

-Thanks

[Chandran Chandran]

Hi,

I findout where the issue is caused, when i commenting following code the error is not coming. I dont know how to resolve this.

<telerik:RadAjaxLoadingPanel runat="server" ID="RadAjaxLoadingPanel1" Skin="Vista" />
           <telerik:RadAjaxManager ID="RadAjaxManager1" runat="server">
               <AjaxSettings>
                   <telerik:AjaxSetting AjaxControlID="RadLibrary">
                       <UpdatedControls>
                           <telerik:AjaxUpdatedControl ControlID="RadFormsLibrary" LoadingPanelID="RadAjaxLoadingPanel1" />
                       </UpdatedControls>
                   </telerik:AjaxSetting>
               </AjaxSettings>
           </telerik:RadAjaxManager>

Help me to findout the issue..

-Thanks

[Chandran Chandran]

Dear Telerik,

What shal we do to solve the issue
For your information my project is upgraded from old .net version to .net 3.5.

-Thanks

[Demon]

This issue has been extensively discussed across the Internet. Here are a couple of pages from this site:

http://www.telerik.com/community/forums/aspnet-ajax/grid/page-request-mnager-exception.aspx

http://www.telerik.com/community/forums/aspnet-ajax/grid/loadingpanel-problem.aspx