MySQL - Problema en conexión a bbdd MySql desde vb.net

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using MySql.Data.MySqlClient;

namespace Fabrica.Ricardo.Control.fabrica.ricardo.control.conexion

{

    public class Conexion

    {

        private static String server = "localhost";

        private static String user = "root";

        private static String password = "";

        private static String bd = "fabrica";

        private static MySqlConnection cnn = null;

        public static MySqlConnection getConnection()

        {

            try

            {

                if (cnn == null)

                {

                    String url = "server=" + server + "; database=" + bd + "; user=" + user + "; password=" + password + "; ";

                    cnn = new MySqlConnection(url);

                }

            }

            catch (Exception e)

            {

                throw e;

            }

            return cnn;

        }

    }

}