1.在用windows模式登陸sql server 數(shù)據(jù)庫(kù) 簡(jiǎn)歷一個(gè)student的數(shù)據(jù)庫(kù),然后新建查詢:
create table student( id int auto_increment PRimary key, name char(10) not null, sex char(10) not null, age char(10) not null, )
2.在vs中新建一個(gè)項(xiàng)目,輸入一下代碼:
using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;using System.Data;using System.Data.SqlClient;namespace Consoleapplication1{ class Program { static void Main(string[] args) { string connSting; connSting = "server=localhost;database=student;Integrated Security=True "; SqlConnection sConn = new SqlConnection(connSting); try { sConn.Open(); } catch (Exception ex) { Console.WriteLine("鏈接錯(cuò)誤:" + ex.Message); } string sqlMessage=null; sqlMessage = "select * from student"; SqlCommand sCmd = new SqlCommand(sqlMessage, sConn); SqlDataReader sdr = null; try { sdr = sCmd.ExecuteReader(); Console.WriteLine(" 姓名 性別 年齡 "); while (sdr.Read()) { Console.WriteLine(sdr["name"] +""+ sdr["sex"]+"" + sdr["age"]); } sConn.Close(); } catch (Exception ex) { Console.WriteLine(ex.Message); } Console.ReadLine(); } }}
3.運(yùn)行結(jié)果將會(huì)顯示數(shù)據(jù)庫(kù)中的數(shù)據(jù)
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