After about 3 months most people have either solved the problem or got fired and don't care, so responding to old threads usually doesn't get much feedback. You are better off simply starting a new thread of your own.
I don't know why Fabio wasn't answered, though.
The most likely reason for a an action not working is that there was a validation error on one or more controls in the form.
An IDE is no substitute for an Intelligent Developer.