winform连接mysql

using System;
using System.Data;
using MySql.Data.MySqlClient;

namespace WinFormMySQLExample
{
    public partial class Form1 : Form
    {
        private MySqlConnection connection;

        public Form1()
        {
            InitializeComponent();
            ConnectToDatabase();
        }

        private void ConnectToDatabase()
        {
            string connectionString = "Server=localhost;Database=mydatabase;Uid=myuser;Pwd=mypassword;";
            try
            {
                connection = new MySqlConnection(connectionString);
                connection.Open();
                MessageBox.Show("Connected to MySQL database!");
            }
            catch (Exception ex)
            {
                MessageBox.Show("Error connecting to MySQL database: " + ex.Message);
            }
        }

        private void Form1_FormClosing(object sender, FormClosingEventArgs e)
        {
            if (connection != null && connection.State == ConnectionState.Open)
            {
                connection.Close();
            }
        }
    }
}