I am trying to set up a login screen (username, password, and a submit button) within a dialog window. It works fine, except when the user tries to submit the form with the Enter/Return key. In this case, the dialog window just closes without causing the postback. How can I prevent Enter/Return from closing the dialog window? Thanks.

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EDIT: I got it working. To do it, I set AcceptButtonPostBack="true" and set the AcceptButton to the button used to submit the form.