I have a project it can work well when I use map control of "NetAdvantage of 2009.2",but When I update it to "NetAdvantage of 2010.2",the Map can't display. There is no any error message.I don't kown what the porblem is (My environment ：windows server 2008 ，visual studio 2010，silverlight 4）I  have added the project in the attachment。