Connect Application To Database

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 MySql.Data.MySqlClient;

namespace FirstLogInData
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            try
{

string myConnection = "datasource=localhost;port=3306;username=USERNAME;password=PASSWORD";
MySqlConnection myConn = new MySqlConnection(myConnection);
MySqlDataAdapter myDataAdapter = new MySqlDataAdapter();
myDataAdapter.SelectCommand = new MySqlCommand(" select * database.DATABASE ;", myConn);
myConn.Open();
DataSet ds = new DataSet(); 'Do not need
MessageBox.Show("Connected");
myConn.Close();
}
catch(Exception ex)
{
MessageBox.Show(ex.Message);
}
        }
    }
}