Class Koneksi C# to MySql

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using MySql.Data.MySqlClient;

namespace LAB_INVENTARIS
{
    public class koneksi
    {
        string alamat = "server=localhost; database=db_labor; uid=root; pwd=''";
        public MySqlConnection connek;

        //buka koneksi ke database
        public void buka()
        {
            connek = new MySqlConnection(alamat);
            connek.Open();
        }
        //tutup koneksi ke database
        public void tutup()
        {
            connek = new MySqlConnection(alamat);
            connek.Close();
        }

    }
}