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Check required field in custom validator

Alex Shirley
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I'm trying to check for a required field in a textbox using a custom
validator. I do not want to use a requiredfieldvalidator in this

I have tried the following code within the serverValidate handler and
it will not work:

If txtTheTextBox.Text.Trim <> "" Then
args.IsValid = True
args.IsValid = False
End If

.... and it refuses to work! Note serverValidate code does fire (I am
using other code as well in this custom validator and it works).
I don't think the blank string comparison is working.
Any ideas?


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