MEF学习

http://www.cnblogs.com/shanyou/archive/2012/08/12/2635468.html

http://blogs.ejb.cc/archives/3/mef-depth-framework-a-basic-concepts

http://www.cnblogs.com/guomingfeng/archive/2013/05/21/mvc-ioc-mef.html

http://blogs.ejb.cc/archives/90/mef-depth-framework-contract-import-export

http://www.cnblogs.com/comsokey/p/MEF1.html

http://www.cnblogs.com/beniao/archive/2010/08/11/1797537.html

EF

http://msdn.microsoft.com/zh-cn/library/bb738677%28v=vs.100%29.aspx

http://www.cnblogs.com/zhuweisky/p/4209058.html