Fixed hope this link works :
https://skydrive.live.com/redir?resid=74F7FE450ECC8855!108&authkey=!AJrLDU0F5zAlum8
this is a simple sample.
Is it possible to not copy the connectionString to the main app and use it in just the DAL project.
like PrismTutorial here. Is it a good idea ?
please help me with the binding in the project. on the idea I've asked.