📄 causesvalidation.aspx

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💻 ASPX

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<Script runat="Server">

Sub btnSubmit_Click( s As Object, e As EventArgs )
  If IsValid Then
    Response.Redirect( "ThankYou.aspx" )
  End If
End Sub

Sub btnCancel_Click( s As Object, e As EventArgs )
  Response.Redirect( "Cancel.aspx" )
End Sub

</Script>

<html>
<head><title>CausesValidation.aspx</title></head>
<body>

<form runat="Server">

Enter your first name:
<br>
<asp:TextBox
  id="txtFirstName"
  Runat="Server" />

<asp:RequiredFieldValidator
  ControlToValidate="txtFirstName"
  Text="Required!"
  Runat="Server" />

<p>

<asp:Button
  id="btnSubmit"
  Text="Submit"
  OnClick="btnSubmit_Click"
  Runat="Server" />

<asp:Button
  id="btnCancel"
  Text="Cancel"
  OnClick="btnCancel_Click"
  CausesValidation="False"
  Runat="Server" />

</form>
</body>
</html>

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