C# 多种方法读取和设置连接字符串

http://www.cnblogs.com/njlhb/archive/2007/08/28/873403.html

 

<appSettings>    <add key="SqlServerConnectStr" value="Server=127.0.0.1;Database=yingcai;User ID=sa;Password=sa"/>  </appSettings>

using System.Configuration;
System.Configuration.ConfigurationManager.ConnectionStrings["SqlServerConnectStr"].ToString()