从网上找的代码如下
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Data;
using System.Threading.Tasks;
using MySql.Data.MySqlClient;
namespace MySQL
{
class MySQLConn
{
private string MySqlCon = "Database=mydb;Data Source=127.0.0.1;User ID=root;Password=123;charset=utf8;";
public DataTable ExecuteQuery(string sqlStr)
{//查
MySqlCommand cmd;
MySqlConnection con;
MySqlDataAdapter msda;
con = new MySqlConnection(MySqlCon);
con.Open();
cmd = new MySqlCommand(sqlStr,con);
cmd.CommandType = CommandType.Text;
DataTable dt = new DataTable();
msda = new MySqlDataAdapter(cmd);
msda.Fill(dt);
con.Close();
return dt;
}
public int ExecuteUpdata(string sqlStr)
{
MySqlCommand cmd;
MySqlConnection con;
con = new MySqlConnection(MySqlCon);
con.Open();
cmd = new MySqlCommand(sqlStr, con);
cmd.CommandType = CommandType.Text;
int iud = 0;
iud = cmd.ExecuteNonQuery();
con.Close();
return iud;
}
}
}
用这个类我可以可以实现简单的查询,更新功能(见图片)