Button works on one server not on another

[Josh]

I have an image button that works fine in the development environment, but
when placed on the live server, this one image button does not postback, it
does nothing. All the other image buttons work fine. Anyone got any ideas
on this?

 

[Josh]

I have an image button that works fine in the development environment, but

when placed on the live server, this one image button does not postback, it
does nothing. All the other image buttons work fine. Anyone got any ideas
on this?

I've fixed it now. A Required field Validator on the was the problem.
Removed the validator and , bingo the button works. The validator was not
displaying any messages or anything , the only symptom was that the image
button didn't work. Weird.