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[Solved] how to fix error Error - Sys.WebForms.PageRequestManagerServerErrorException: An unexpected error has occurred

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This is a migrated thread and some comments may be shown as answers.
Ghouse
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Ghouse asked on 07 Mar 2013, 03:02 PM
I have used RadGrid of Telerik controls (Telerik.web.UI.dll version 2012.3.1308.35) in sharepoint 2010.
When I click  on "LinkButton" inside CommanItemTemplate of RadGrid then on page happen error.
This is detail message error:

 Webpage error details

User Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E; InfoPath.3; MS-RTC LM 8)
Timestamp: Thu, 7 Mar 2013 14:38:02 UTC

Message: Sys.WebForms.PageRequestManagerServerErrorException: An unexpected error has occurred.
Line: 5
Char: 62099
Code: 0
URI: http://vihcvmdd97881d7:41495/ScriptResource.axd?d=T_lERX3mTXPlc05lSdsBOpafySpjPXMlwlVc_YbV4D-5IW-CGN8t_afRzLh5iSpWpED8d1yuSwtMrw20cRnwTD-bg9blnBBCLtTeNtG8pgBt4DjqqY0-FAZn3Z4XCQjqvMTiLQ0-340s6puybgEUVB5zBG01&t=ffffffffb868b5f4

How do you fix it?
Thanks
Ghouse Shaik

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Maria Ilieva
Telerik team
answered on 12 Mar 2013, 12:29 PM
Hello Ghouse,

Could you please elaborate a bit more on your scenario? Does the presented error appear in case the application is isolated from the SP? Also it will be very helpful if you could share your page markup as well as the related code behind so that we could further investigate ion your scenario and do our best to isolate the root cause of the issue.

Greetings,
Maria Ilieva
the Telerik team
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Maria Ilieva
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