using?System;
using?System.Collections.Generic;
using?System.Text;
using?System.Data?.SqlClient;
using?System.Data;
namespace?ClassLibrary
{
????public?class?Dbconnection
????{
????????///?

????????///?SQL-server?數據庫連接
????????///?

????????///?SqlConnection?myConnection
????????public?static?SqlConnection?Dblink（）
????????{
????????????string?connectionString?=?“server=.;database?=51asp.net_Library;uid=sa;pwd=51asp.net“;
????????????SqlConnection?myConnection?=?new?SqlConnection（connectionString）;
????????????//SqlCommand?command?=?new?SqlCommand（connectionString）;
????????????return?myConnection;
????????}

????????///?

????????///?執行SQL語句
????????///?

????????///?
????????///?