I recently ran across a very, very difficult problem to diagnose and fix, and I couldn't find this issue going on anywhere else so I thought I'd write about it here in case it comes up again for anyone else. In a Windows Phone 7.1 (i.e. Mango) application, you have a service reference - in my case, a...

One of the sorely missing pieces in the Silverlight toolbox for SharePoint developers is a people picker control. There is a control that SharePoint provides, which you can use in a web part or custom layouts page (the PeopleEditor class). Silverlight code though all executes on the client side, so there...