Web Forms :: Validation Fires After Code Executes?
Jan 7, 2010i have Build Simple Form And Fires The Validation In Control And Write Codfe in Button Event but Code Executes First and Then Fires validation.
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[Code]....
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[Code]....
If I remove my custom OnClientClick script, making the submit button look like this:
[Code]....
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[Code]....
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If mQuestion.RequiredToAnswer = True Then
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[Code]....
And here is where I add the Client Validation to the customer validator in the code behind.
[Code]....
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Jan 13, 2011I want the validation condition to be: on a pair of textboxes, to be valid as long as at least one of them isn't empty.
So I put a customvalidator on the 2nd textbox, hooked up to the following server code and client code:
<script type="text/javascript">
function ECPhoneOrEmailRequired(source, args) {
var ecPhone = document.getElementById("txtEmergencyPhone");
var ecEmail = document.getElementById("txtEmergencyEmail");
if (ecPhone.value.length < 1 && ecEmail.value.length < 1) {
args.IsValid = false;
}
else {
args.IsValid = true
}
}
</script>
Protected Sub CustomValidator1_ServerValidate(ByVal source As Object, ByVal args As System.Web.UI.WebControls.ServerValidateEventArgs)
'args.IsValid
If (txtEmergencyPhone.Text = String.Empty And txtEmergencyEmail.Text = String.Empty) Then
args.IsValid = False
Else
args.IsValid = True
End If
End Sub
From what I can tell thru breakpoints, this code works fine as long as there's something in one of the two textboxes. When both textboxes are empty, the code is never called - and so both boxes empty ends up being allowed.
So what's the correct way to validate one-or-the-other-nonempty condition?
