Stop postback on TextChanged

Question

I have a textbox in an aspx page that has a TextChanged event attached to it. I also have a validator attached to the textbox.

When the text is changed, the validate

Answer 1

Just sharing an inline, shorter version of the accepted answer:

Having the same problem with a RequiredFieldValidator, the above worked for me.

Known nag: the designer complains that "onchange" is not a valid server-side attribute.