说明：  第29章 制作一个ASP.NET校友录系统 在现在的网络应用中，用户是网络应用的中心，如现今最风靡的校内网都是把用户放到了网络应用的第一位。而校内网的成功和风靡在很大程度上是因为它是一个真实的社交网络，校友录系统也是利用了真实的社交网络进行设计和开发的
(Chapter 29 alumni were recorded to produce a system in ASP.NET web applications now, the user is the center of network applications, such as today' s most popular network of schools are the user applications on the network first. The success of the school network and the popular in large part because it is a true social network, alumni were recorded using a real system is a social network design and development)