[Debug] Conexão MySQL / C#

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using MySql.Data.MySqlClient;

namespace teste
{
    public partial class Form1 : Form
    {
        private System.Windows.Forms.DataGrid datagrid;
        private MySqlConnection conexao;
        private MySqlDataAdapter adapter;
        private DataSet dataset;

        public Form1()
        {
            InitializeComponent();

            dataset = new DataSet();

            conexao = new MySqlConnection("Persist Security Info=False;" +
                "                          server=localhost;" +
                "                          database=teste;" +
                "                          uid=root;" +
                "                          pwd=pass");

            try
            {
                conexao.Open();
            }
            catch(Exception e)
            {
                MessageBox.Show(e.Message.ToString());
            }

            // Verifica se a conexao esta aberta
            if(conexao.State == ConnectionState.Open)
            {
                // Cria um adapter para acessar a tabela Clientes
                adapter = new MySqlDataAdapter("SELECT * FROM Clientes", conexao);
                // Preenche o dataset via adapter
                adapter.Fill(dataset,"Clientes");
                // Atribui o resultado a propriedade DataSource do DataGrid
                datagrid.DataSource = dataset;
                datagrid.DataMember = "Clientes";
            }
            if(conexao.State == ConnectionState.Open)
            {
                conexao.Close();
            }
        }
    }
}