配置文件

<connectionStrings>     <add name="SecurityDB" connectionString="server=172.16.0.200;database=TripXSSFDB;uid=sa;pwd=tripxdb;Application Name=SecurityDB"

providerName="System.Data.SqlClient"/> </connectionStrings>

if (ConfigurationManager.ConnectionStrings[connStringName] != null) {      this._strConn = ConfigurationManager.ConnectionStrings[connStringName].ConnectionString; } else {     this._strConn = ConfigurationManager.ConnectionStrings[ConfigurationManager.ConnectionStrings.Count - 1].ConnectionString; }

<appSettings>     <add key="LoginUrl" value="SignIn.aspx"></add> <appSettings> ConfigurationManager.AppSettings.Get("LoginUrl").ToString()

转载于:https://www.cnblogs.com/Elong/archive/2008/02/20/1074503.html