Welcome!! So glad to have you & Mansfield here! You will have to sign him up for our Little Gentleman's Club, you can do that here:
http://www.yorkietalk.com/forums/sho...ight=gentleman
How are you trying to train him? I would recommend crate training or at least placing him in an x-pen or a small gated area with a pee pad, when you can't watch him every minute