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<h1><a rel="nofollow" href="http://www.geekpedia.com/tutorial82_Validate-using-RequiredFieldValidator.html" >Validate using RequiredFieldValidator</a></h1>
<p>In this tutorial you'll find out how to validate a TextBox and RadioButtonList control on a webform using RequiredFieldValidator, which will show a warning and stop the submission of the form if a required field has no value.</p>
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