0基础学习实现MVC3 增/删/改/查,里面记录我本人学习MVC3的所有心路历程和一些浅显的卓见，如有不对的地方，还请批评指正。-0 based learning to realize the MVC 3 to insert/delete/update/select, it records all the journey I learn MVC 3 and some shallow insight, if there is any wrong place, also please correct