FilteredTextBoxExtender

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Dear All,

I am developing web application.

I want to use Client Side Validation.

I am using Ajax Control Toolkit.

I want to know how can I display a message when some invalid values are entered in a Text Box.

I am using FilteredTextBoxExtender to filter which values should not be entered.

But when a wrong value is entered how to flag it or show a message ?

Thanx
MK

Posted 22-Nov-10 9:42am

Mukund Kallapur

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Matthew Hazlett · Answer 1 · 2010-11-22T09:59:00

Put a JS in your page. Change the form tag to include onsubmit then return the result of a function that tests the vals.

<script type="javascript">
     function testForm()
     {
          ...
          return true;
     }
</script>

<form id="myform"  önsubmit="return testForm();" action="submit.aspx">
     ...
     ...
     ...
</form>