Introduction - If you have any usage issues, please Google them yourself
This sample demonstrates how to use WCF RIA Services to query data, update data, integrate MVVM,
write metadata classes, share code and validate data. And it shows that how to authenticating and
authorizing call in the WCF RIA Services. Finally it is important that this sample demonstrates how to
expose additional domain service endpoints for other clients, So that you can use the client based on
WPF or WINFORM to invoke the method via WCF RIA Services.