设计模式挺好的

http://blog.csdn.net/watkinsong/article/details/7234700 --------------------编程问答-------------------- 看看 --------------------编程问答-------------------- http://www.cnblogs.com/CopyPaster/archive/2011/01/21/1941339.html
http://wenku.baidu.com/link?url=GCMeHigCTnL6q10pGr3o47vfLP3yImCzyTFzh1gq_MpPZBaKARdT8HiHNPI7CqeXuhPYi4SxSZ64IntluTBxzjy2sxD0WM4bkC4jMs9sNtW
http://www.cnblogs.com/artech/archive/2007/06/13/781216.html

补充：.NET技术 ,  非技术区