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Asked: 2026-05-10T14:01:34+00:00

I have several RequiredFieldValidators in an ASP.NET 1.1 web application that are firing on

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I have several RequiredFieldValidators in an ASP.NET 1.1 web application that are firing on the client side when I press the Cancel button, which has the CausesValidation attribute set to ‘False’. How can I get this to stop?

I do not believe that Validation Groups are supported in 1.1.

Here’s a code sample: 

<asp:TextBox id='UsernameTextBox' runat='server'></asp:TextBox> <br /> <asp:RequiredFieldValidator ID='UsernameTextBoxRequiredfieldvalidator' ControlToValidate='UsernameTextBox'  runat='server' ErrorMessage='This field is required.'></asp:RequiredFieldValidator> <asp:RegularExpressionValidator ID='UsernameTextBoxRegExValidator' runat='server' ControlToValidate='UsernameTextBox' Display='Dynamic' ErrorMessage='Please specify a valid username (6 to 32 alphanumeric characters).'  ValidationExpression='[0-9,a-z,A-Z, ]{6,32}'></asp:RegularExpressionValidator>  <asp:Button CssClass='btn' id='addUserButton' runat='server' Text='Add User'></asp:Button> <asp:Button CssClass='btn' id='cancelButton' runat='server' Text='Cancel' CausesValidation='False'></asp:Button>

Update: There was some dynamic page generating going on in the code behind that must have been messing it up, because when I cleaned that up it started working.

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1 Answer

  1. Validation Groups were not added to ASP.NET until version 2.0. This is a 1.1 question.

    Double check your setting and make sure you are not overwriting it in the code behind.

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