ASP.NET OnClientClick=“return false;” doesn't work

Question

I just want to add some client side (JQuery Javascript) validation in a web user control. I put an OnClientClick handler and the function gets called. BUT, even if I return

Answer 1

for some reason, although I didn't have any jquery event handlers attached, it didn't work.

What actually worked was:

OnClientClick="if (validate_form() == false) return(false);"