http://blogs.msdn.com/efdesign/
http://blogs.msdn.com/adonet/
http://blog.nakedobjects.net/
http://examples.oreilly.com/9780596520298/
http://learnentityframework.com/LearnEntityFramework/resources/
http://msdn.microsoft.com/en-us/data/aa937695.aspx
说明:这里集中了跟数据存取相关的资源.