Sure. Even better, we have some videos that show you how to get started using WCF RIA services. They are at:
documentation and videos
Thanks Walter for quick reply. I have created a DFD using GoXAM. Is there anyway if i click on a connection path to an entity or entity itself in diagram then entire path with connecting entities would get Highlighted using GoXAM
The Navigator sample demonstrates one way of highlighting nodes and links.
Although it’s probably more complicated than you need because it uses different colors depending on the “logical distance” from the selected node or link.