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Asked: 2026-05-10T22:18:57+00:00

I’m using an UpdatePanel and want to put a CompareValidator on two text boxes,

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I’m using an UpdatePanel and want to put a CompareValidator on two text boxes, to verify that the user-entered password and confirmation are the same.

This is working fine (I have VS2008 and am using .NET 3.5) out of the box, with one minor problem:

The validation is firing as soon as the user clicks out of the first textbox, before they get a chance to type into the second. This isn’t causing any REAL problems, programmatically (all that happens is the error message shows, it goes away when they type in the confirmation) but our testers say it is a problem. It won’t pass UA testing until the validation doesn’t fire until they click ‘Save’.

How do I get the CompareValidator to not fire until they’ve enterred text into both boxes?

EDIT:

Here’s an example of the markup.

    <div>         <div><asp:Label runat='server' ID='lblPassword' Text='Password'/></div>         <div><asp:TextBox runat='server' TextMode='password' ID='txtPassword' size='25' /></div>         </div>     <div>         <div><asp:Label runat='server' ID='lblConfirmPassword' Text='Confirm Password'/></div>         <div><asp:TextBox runat='server' TextMode='password' ID='txtConfirmPassword' size='25' /></div>     </div>     <asp:CompareValidator ID='CompareValidator1' ValidationGroup='PublishPassValidation' ControlToValidate='txtPassword' ControlToCompare='txtConfirmPassword' runat='server' ErrorMessage='Passwords do not match'></asp:CompareValidator>

The above is within a control contained within the ContentTemplate of an UpdatePanel on a page.

(CSS classes and styles removed for brevity)

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1 Answer

  1. Try switching it so that the validation is done on the confirmation text box rather than on the password text box. This way it won’t fire until you modify the confirmation text box or the form is submitted. And you probably want to have a required field validator on the password text box.

    <div>     <div><asp:Label runat='server' ID='lblPassword' Text='Password'/></div>     <div><asp:TextBox runat='server' TextMode='password' ID='txtPassword' size='25' />          <asp:RequiredFieldValidator runat='server' ID='passwordRequiredValidator'                                      ControlToValidate='txtPassword'                                      ValidationGroup='PublishPassValidation'                                      ErrorMessage='Password is required.'  />         </div>     </div> <div>     <div><asp:Label runat='server' ID='lblConfirmPassword' Text='Confirm Password'/></div>     <div><asp:TextBox runat='server' TextMode='password' ID='txtConfirmPassword' size='25' /></div> </div> <asp:CompareValidator ID='CompareValidator1' ValidationGroup='PublishPassValidation'                       ControlToValidate='txtConfirmPassword'                       ControlToCompare='txPassword' runat='server'                       ErrorMessage='Passwords do not match'> </asp:CompareValidator>
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