http://msmvps.com/blogs/matthieu/archive/2009/05/22/poco-createobject-and-object-initializer.aspxWhen we work with POCO entities, queries return instances of proxy class which inherits entity types. Having some proxy instances allow us to use lazy loading. When we create an entity in order to attach it to the context, we can do a new on our entityenCommunityServer 2008.5 SP2 (Build: 40407.4157)