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TSM_HiddenField

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Alex
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Alex asked on 09 Jun 2010, 05:17 PM
I'm getting a strange error and thought I'd inquire about how it's happening. I have a MultiPageView, the way it is controlled is through a radiobuttonlist at the top of the page. When I switch the index of the radiobuttonlist, say from 0 to 2 (going from the first page, to the third page in the view) I get a java error that says "Message: 'undefined' is null or not an object" then down in the URI field which I read it lists my page and then "/Telerik.Web.UI.WebResource.axd?_TSM_HiddenField_=ctl00_RadScriptManager1_TSM&compress=1&_TSM_CombinedScripts_=%3b%3bSystem.Web.Extensions%2c+Version%3d3.5.0.0%2c+Culture%3dneutral%2c+PublicKeyToken%3d31bf3856ad364e35%3aen-US%3a0d787d5c-3903-4814-ad72-296cea810318%3aea597d4b%3ab25378d2%3bTelerik.Web.UI%2c+Version%3d2010.1.309.35%2c+Culture%3dneutral%2c+PublicKeyToken%3d121fae78165ba3d4%3aen-US%3a30afb63f-e6ac-41db-9851-11879733de0a%3a16e4e7cd%3aed16cbdc%3af7645509%3a24ee1bba%3ae330518b%3a1e771326%3a8e6f0d33%3a6a6d718d%3a58366029%3aaa288e2d%3a874f8ea2%3a19620875%3a33108d14%3abd8f85e4%3ac8618e41%3ae4f8f289%3ae524c98b

I'm wondering if this is an AJAX Toolkit error? I don't know why it's happening, although I can generate it. I'm using Visual Studio 2010 with Framework 3.5 if that matters. Any suggestions or assistance is really appreciated.



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T. Tsonev
Telerik team
answered on 15 Jun 2010, 08:26 AM
Hello Alex,

We can't be sure what the problem is without looking at the page source.

You can use the integrated JavaScript debugger in IE 8 or Visual Studio to determine the exact line that's failing. It will also give you the call stack and variable/parameter values. They can help us figure out the problem.

I hope this helps.

Kind regards,
Tsvetomir Tsonev
the Telerik team

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T. Tsonev
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