I have problem in asp.net button control.
I define a button in form, onclick event of button is not firing when I click on the button.
onclick
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Try to Clean your solution and then try once again.
Clean
It will definitely work. Because every thing in code seems to be ok.
Go through this link for cleaning solution>
http://social.msdn.microsoft.com/Forums/en-US/vsdebug/thread/e53aab69-75b9-434a-bde3-74ca0865c165/