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Require checkbox via customvalidator

/ Published in: C#
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RequiredFieldValidator doesn't support checkboxes, but a customvalidator does the trick.

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  1. public void ValidateChecked(object sender, ServerValidateEventArgs e)
  2. 		{
  3. 			e.IsValid = chkMyChkBox.Checked;
  4. 		}
  5.  
  6. //Client side method, referenced in customvalidtor ClientValidationFunction attribute:
  7. <script type="text/javascript" language="javascript">
  8. function ValidateCheckboxIsChecked(sender, args)
  9. {
  10. args.IsValid = (document.getElementById("CheckBox1").checked);
  11. }
  12. </script>

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