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Could not load file or assembly 'System.Web.Extensions' or one of its dependencies. The system cannot find the file specified.

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Nani
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Nani asked on 24 May 2012, 03:13 AM
Hi,

I trying to use "SpellCheckValidator" rad control in of my UserControl.
I have included
1.  <%@ Register Assembly="Telerik.Web.UI" Namespace="Telerik.Web.UI" TagPrefix="telerik" %> - in UserControl
2. Added reference to Teleric.web.UI to my project (V2010.1.415.35)
3. Manually copied teleric.web.ui dll to my site "bin" folder
4.  <%@ Register Assembly="System.Web.Extensions" Namespace="System.Web.Extensions" TagPrefix="webExtensions" %> - in UserControl
5. Added reference to web.extensions to my project
6. And I am using teleric dll from BIN35
7. I am good with ajaxifying

 


This is how I am trying to use teleric control

<
telerik:SpellCheckValidator ID="SpellCheckValidator1" runat="server" ControlToValidate="RadSpell1" ErrorMessage="Please Check Spell"></telerik:SpellCheckValidator>

 

 

<telerik:RadSpell ID="RadSpell1" runat="server" ButtonType="PushButton" ControlToCheck="txtMessage" />

I still get below error

 

"Could not load file or assembly 'System.Web.Extensions' or one of its dependencies. The system cannot find the file specified."

Please help me out !!

Thnx
N

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Nani
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answered on 24 May 2012, 06:09 AM
Any help from Telerik developers ?
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Rumen
Telerik team
answered on 25 May 2012, 01:22 PM
Hi,

This is a web.config configuration problem. Since you did not provide the whole error message, I built a sample .NET 3.5 project that works fine on my end, which you can test on your end.

The solution is based on the following live demo: Spellcheck Validation.

Kind regards,
Rumen
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