Could not load type 'System.Web.UI.ScriptReferenceBase' from assembly 'System.Web.Extensions Version=3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35'

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I am facing hardy in my aspx page. i have installed ajax control kit sucessfully and all controls already came in softwarebar tab named ;Ajax Control softwarekit
But when i try to design any page using with ajax control softwarekit, follow error message is coming:
Could not load type 'System.Web.UI.ScriptReferenceBase' from assembly 'System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35'

Posted 8-Apr-13 2:40am

Yogesh_Chavan

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N ManojKumar 8-Apr-13 8:45am

Instead of asp:ScriptManager, use ajax:ToolkitScriptManager. Your problem will be solved.

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RelicV · Answer 1 · 2013-04-08T03:19:00

Solution 1

Hi Yogesh,

Along with Manoj's response, pls do visit this link for more information regarding the error and the solution.

http://runtingsproper.blogspot.in/2010/03/could-not-load-type.html[^]

Happy coding..!

Thank you,
Vamsi

Posted 8-Apr-13 3:19am

RelicV