WCF RIA Services - Part II, Compositional Hierarchies

Compositional hierarchy is very useful for people who need real parent/child hierarchies.

You can read about this new feature here:

• http://msdn.microsoft.com/en-us/library/ee707346(VS.91).aspx
• http://blogs.msdn.com/digital_ruminations/archive/2009/11/18/composition-support-in-ria-services.aspx
• http://www.riaservicesblog.net/Blog/post/A-guide-to-the-new-features-of-WCF-RIA-Services.aspx