yinxubest87的专栏

 数据访问类using System;using System.Collections.Generic;using System.Text;using System.Data;using System.Data.SqlClient;namespace Interview{        class OperatorConnection    {        SqlConnecti

--数据库访问类using System;using System.Data;using System.Configuration;using System.Web;using System.Web.Security;using System.Web.UI;using System.Web.UI.WebControls;using System.Web.UI.WebControls.WebPa