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Dear All,

When i am using ajax control tool kit any control following error occurs

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

My Dot Net Framework is 3.5
Please help me

Thank you in advance.
Updated 8-Dec-11 7:31am
Sumit Kumar Singh India 9-Dec-11 4:01am    
Thank you so much this is very helpful.

1 solution

If you are using VS 2008, make sure that framework 3.5 sp1 is installed properly.

Go through the following links for more information:
Could not load type 'System.Web.UI.ScriptReferenceBase'
Could not load type 'System.Web.UI.ScriptReferenceBase' from assembly 'System.Web.Extensions, Version=, Culture=n
Could not load type 'System.Web.UI.ScriptReferenceBase'

Let me know your result.

Enjoy.. :)
Share this answer
Uday P.Singh 8-Dec-11 13:50pm    
5ed :)
Monjurul Habib 8-Dec-11 15:27pm    
thank you
[no name] 8-Dec-11 23:33pm    
Monjurul Habib 9-Dec-11 0:40am    
thank you

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