ADO.NET

/********************************************************************************* * * 功能描述：    ADO.NET的基本化操做 * * 做    者：    郭强生 * * 修改日期：    2012-08-13 *  * 备    注：    对北风数据库进行相关的操做 ************************************************************************************/ namespace Statement {     using System;     using System.Data.SqlClient;     class Program     {         static void Main(string[] args)         {             string strConn = "server=.;database=Northwind;uid=sa;pwd=0904031028";             //sqlConnection对象             SqlConnection conn = new SqlConnection(strConn);             try             {                 //打开数据库链接                 conn.Open();                 SqlCommand cmd = new SqlCommand();                 cmd.Connection = conn;                 //cmd.CommandType=                 cmd.CommandText = "select RegionID,RegionDescription from Region ";                                 //获取SqlDataReader实例                 SqlDataReader reader = cmd.ExecuteReader();                 //输出结果                 Console.WriteLine("{0}\t{1}", "RegionID"," RegionDescription");                 Console.WriteLine();                 while (reader.Read())                                  Console.WriteLine("\t{0}\t{1}", reader.GetInt32(0), reader.GetString(1));                     conn.Close();                                           }             catch (Exception e)             {                 Console.WriteLine("没法链接到数据库，报告异常：");                 Console.WriteLine(e.Message);               }         }     } }