asp.net高级应用---配置

配置方件：

服务器配置文件　machin.config

应用程序配置文件　web.config

 配置设置的应用关系是继承关系　检测配置文件的变化是自动检测　配置文件的格式是xml

连接字符串的配置有两种：一,appsettings  二，connectionsrings

配置会话状态：sessionstate mode="off" cookieless="false" timeout="10" stateconnectionstring="tcpip=localhost:42424" sqlconnectionstring="数据连接字符串"></sessionstate>

编译配置：<compilation debug="true"></compliation>

定制错误配置：<customerrors mode="remoteonle" defaultredirect="genericerrorpage.htm">

                           <error statuscode="403" redirect="noaccess.htm"/>

                           <error statusc ode="404" redirect="filenotfound.htm">

                           </customerrors>