Basic info: VS2010, .Net 4.0 WPF application. I'm trying to write a dialog box that allows a user to edit a fairly simple configuration file, opened as an XMLDataProvider as an application-level ...

At the moment my mind is elsewhere, so some of the details arent fresh in my mind! So I apologise. I am comparing two datasets. One is Authoritative and will override the data in the other. At present ...