VS2010使用c#连接SQLServer数据库

快来打我* 2022-03-16 06:42 564阅读 0赞

准备工作: 准备好vs2010，sqlSERVER2008的安装包，如果需要的话，留下邮箱我发给你

### ![20190226210938776.png][] ###

### 第一步：安装VS2010 ###

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2dpdGh1Yl8zOTUzMzQxNA_size_16_color_FFFFFF_t_70][]

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### 第二步：安装SQLServer2008 ###

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2dpdGh1Yl8zOTUzMzQxNA_size_16_color_FFFFFF_t_70 12][]

## ##

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注：这里也可以选择默认实例

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### 第三步：使用c\#连接SQLServer数据库 ###

使用SQLServer的管理工具登录数据库，选择sql server身份验证，用户名填写sa 密码是刚才安装过程中输入的密码

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新建一个数据库，这里我新建了一个mysql数据库，然后新建一个表student

![20190226212526567.png][]

表的结构如下，有姓名sname, 学号 sno, 性别 sex , 年龄 age

![20190226212636255.png][]

右键表，编辑前200行，输入数据

![20190226212810409.png][]

新建一个查询，查看数据是否写入成功

use mysql
    select sname ,sno,sex,age from student

点击执行，结果如下:

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2dpdGh1Yl8zOTUzMzQxNA_size_16_color_FFFFFF_t_70 22][]

使用c\#连接数据库,新建一个c\#控制台应用程序

using System;
    using System.Data;
    using System.Data.SqlClient;
    using System.Collections.Generic;
    using System.Linq;
    using System.Text;
    namespace 连接数据库
    {
        class Program
        {
          static void Main(string[] args)
            {
                //指定Sql Server提供者的连接字符串
                string connString = "server=WIN-JUKODHILVDP\\SQLEXPRESS;database =mysql;uid=sa;pwd=123456";
                //建立连接对象
                SqlConnection Sqlconn = new SqlConnection(connString);
                //打开连接
                Sqlconn.Open();
                //为上面的连接指定Command对象
                SqlCommand thiscommand = Sqlconn.CreateCommand();
                thiscommand.CommandText = "select sname,sno,sex,age from student";
                //为指定的command对象执行DataReader
    
                SqlDataReader thisSqlDataReader = thiscommand.ExecuteReader();
                while (thisSqlDataReader.Read())
                {
                    Console.WriteLine("{0} {1} {2} {3}", thisSqlDataReader["sname"], thisSqlDataReader["sno"], thisSqlDataReader["sex"], thisSqlDataReader["age"]);
                }
                //关闭读取
                thisSqlDataReader.Close();
                //关闭连接
                Sqlconn.Close();
                Console.ReadLine();
            }
        }
    }

注意：服务器名 sever有\\的话，要使用转义字符\\\\

运行结果如下:

![20190226213923102.png][]

总结：1.建立与数据库的连接

2.查询数据

3.关闭连接

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