获取Web.Config中节点的值

读取webconfig里面的appSetting和connectionString

1 <appSettings>
2     <add key="SiteURL" value="？？？？" />
3     <add key="WebURL" value="" />
4   </appSettings>

在页面读取： private string siteUrl = ConfigurationManager.AppSettings["SiteURL"];

1 <connectionStrings>
2     <!--<add name="LogDBConn" connectionString="Data Source=？？？？;Initial Catalog=MOSS_Log;User ID=？;Password=？？!"/>-->
3     <add name="LogDBConn" connectionString="Data Source=moss2007;Integrated Security=True;Initial Catalog=MOSS_Log" />
4   </connectionStrings>

在页面读取：string strLogDBConn = System.Web.Configuration.WebConfigurationManager.ConnectionStrings["LogDBConn"].ToString();