Unexpected close after adding QHttpMultiPart in my software

[A Former User]

Hello
I have a working code which upload file through http post ( I pasted code "here":http://paste.ofcode.org/4VQqLdMTTybPYL6HbBfcf2 )
I want to integrate http posting in to my own program and use it.(I pasted my own code "here":http://paste.ofcode.org/34B4t8QWF9dFEaa9nSMrRMP)
but for no reason my program will close after clicking add upload button
I guess QHttpMultiPart is the problem
@self._reply = self.parent().post(request, multiPart)@

Where or what I'm doing wrong ?
thanks

[A Former User]

Guys can someone tell me where I can ask my question to get an answer? it seems qt forum is not right place to ask about qt !