error in regularexpression

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Hi,
When I enter too many special characters in textbox in gridview in update panel....it fires proper validation msg...Below is code for regular expression
"[\s_A-Za-z0-9]+"
Gridview has two buttons..update and cancel...When enter special character it throws proper error msg.It wont allow to update record.But when clicks on cancel button grid should be in ideal position.But it gives below error

Microsoft JScript runtime error: Sys.WebForms.PageRequestManagerServerErrorException: An unknown error occurred while processing the request on the server. The status code returned from the server was: 500

when first enter < and after that / gives above error........

please help me

Posted 11-Aug-13 22:15pm

16Sonali

Updated 12-Aug-13 0:09am

v3

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OriginalGriff 12-Aug-13 4:22am

This is not a good question - we cannot work out from that little what you are trying to do.
Remember that we can't see your screen, access your HDD, or read your mind.
Use the "Improve question" widget to edit your question and provide better information.

_Asif_ 12-Aug-13 4:24am

how on earth did you notice that the error is in regular expression? the message you showed us does not reflecting that. Error 500 means something happened to your web server. Check you event viewer to get a precise error and let us know that

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Harshad Kathiriya · Answer 1 · 2013-08-12T03:17:00

Solution 2

Hello

Refer to below link

http://forums.asp.net/t/1750082.aspx/1[^]

I think it will be helpful.

Thanks

Posted 12-Aug-13 3:17am

Harshad Kathiriya

Gitanjali Singh · Answer 2 · 2013-08-11T22:28:00

Solution 1

Add validateRequest="false" in the <%@ Page directive.

Thanks,

Posted 11-Aug-13 22:28pm

Gitanjali Singh

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16Sonali 12-Aug-13 4:31am

I did the same but it is not working....