winform mysql部署

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

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

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

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

        private void btnQuery_Click(object sender, EventArgs e)
        {
            string query = "SELECT * FROM mytable";
            MySqlCommand command = new MySqlCommand(query, connection);
            MySqlDataAdapter adapter = new MySqlDataAdapter(command);
            DataTable dataTable = new DataTable();
            adapter.Fill(dataTable);

            dataGridView1.DataSource = dataTable;
        }
    }
}