appconfig配置和連接簡單寫法

APP.CONFIG文件
<configuration> <appSettings> <add key="OleDBConnString" value="Server=127.0.0.1;uid=sa;pwd=;database=User"/> //這裏面寫連接代碼 </appSettings > </configuration>

連接調用：

string strConn = System.Configuration.ConfigurationManager.AppSettings["OleDBConnString"];