http://www.asp.net/web-forms/tutorials/data-access/caching-data/caching-data-in-the-architecture-cs
参考：
http://www.cnblogs.com/John-Connor/archive/2012/05/17/2501864.html
Caching Data in the Architecture (C#)
原文：http://www.cnblogs.com/yongqiangyue/p/4008637.html