< appSettings>
<add key="conn" value="server=(local);user id=sa;database=database;pwd="/>
<add key="name" value="cring"/>
</appSettings>
在.cs中读取的方法
数据库的链接 string myconn = ConfigurationSettings.AppSettings["conn"];
SqlConnection Conn = new SqlConnection(myconn);
获取name：string cname = ConfigurationSettings.AppSettings["cname"];