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Filtering raises JavaScript error "Input string was not in a correct format"

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Ron Michael Zettlemoyer
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Ron Michael Zettlemoyer asked on 31 Jul 2010, 11:15 PM
I have an odd issue...  I have a RadGrid that where filtering works on some of the columns, but not all.  On the columns that don't work I get the JavaScript error:

Error: Sys.WebForms.PageRequestManagerServerErrorException: Input string was not in a correct format.
Source File: http://portal/Telerik.Web.UI.WebResource.axd?_TSM_HiddenField_=RadScriptManager1_TSM&compress=1&_TSM_CombinedScripts_=%3b%3bSystem.Web.Extensions%2c+Version%3d4.0.0.0%2c+Culture%3dneutral%2c+PublicKeyToken%3d31bf3856ad364e35%3aen-US%3a8f393b2b-3315-402f-b504-cd6d2db001f6%3aea597d4b%3ab25378d2%3bTelerik.Web.UI%2c+Version%3d2010.2.713.40%2c+Culture%3dneutral%2c+PublicKeyToken%3d121fae78165ba3d4%3aen-US%3a1814ab69-dbf3-46be-b5e4-1b4e7d85f183%3a16e4e7cd%3af7645509%3a24ee1bba%3a1e771326%3a4cacbc31%3aed16cbdc%3a58366029%3aaa288e2d%3ae330518b%3ac8618e41%3ae4f8f289
Line: 15

There is nothing really different about the columns it works on vs. the columns it doesn't work on.  They're all text data fields.

I am using Ajax, and binding the dataset in the NeedDataSource event.  The data source is a DataTable I build from data I pull in from an MSSQL Server.   It doesn't appear that needdatasource ever gets hit when the error is raised.

Thanks!

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Nikolay Rusev
Telerik team
answered on 04 Aug 2010, 03:18 PM
Hello Ron,

I assume that your RadGrid is ajaxified. You can set EnableAjax to false on your RadAjaxManager/RadAjaxPanel and will see the real stack trace of the server error. I suspect that there are invalid characters in the text that are used for filtering. Could you try isolate the behavior and provide us with more details - version of RadControls for ASP.NET AJAX, framework versions, the value of EnableLinqExpressions and whether it make any difference when change it etc.

Regards,
Nikolay
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Ron Michael Zettlemoyer
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answered on 04 Aug 2010, 04:26 PM
Aha, thanks Nikolay.  Turning off the Ajax did let me see where the error was.  And it was in my code, not the grid.  A silly bug in my NeedDataSource implementation.
Thanks!
Ron

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Ron Michael Zettlemoyer
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