how to use requiredFieldValidator in asp.net

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i hv a textbox txtbox1 and need to validate that this field must not be empty.
it should be on submit click button. please prove me code.

Posted 3-Sep-13 21:53pm

4 solutions

Posted 3-Sep-13 21:56pm

http://www.asp.net/web-forms/videos/building-35-applications/intro-to-aspnet-controls[^]

this will not just help you regarding requiredfield validator, but will walk you through nearly every control of asp.net

Posted 3-Sep-13 21:59pm

Posted 3-Sep-13 22:00pm

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TheUltimateDebugger · Accepted Answer · 2013-09-03T22:01:00

Along with the links provided by Rakesh, you can see this link also

requiredfieldvalidator.html[^]

Posted 3-Sep-13 22:01pm