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c#连接mysql 数据库 绝对能用


以下可以查询出在example数据库中person表中的所有信息

并且显示在datagrid中MySQLDriverCS 自己在网上随便找找就有一堆

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using MySQLDriverCS;

namespace sqltest
{
public partial class Form1 : Form
{
MySQLDataAdapter mda;
DataSet ds;
public Form1()
{
InitializeComponent();
aa();
}

public void aa()
{
MySQLConnection conn = null;
try
{
string connstr = "Data Source=webexample;" + "Password=;User ID=root;Location=localhost";
conn = new MySQLConnection(connstr);
conn.Open();
MySQLCommand commn = new MySQLCommand("set names gb2312", conn);
commn.ExecuteNonQuery();

string sql = "select * from person ";
mda = new MySQLDataAdapter(sql, conn);
ds = new DataSet("MyData");
mda.Fill(ds);
dataGridView1.DataSource = ds.Tables[0];
}
catch (Exception ex){
MessageBox.Show(ex.Message);
}

finally{
conn.Close();
}
}

}
}



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