private void Form1_Load(object sender, EventArgs e)
    {
        try
        {
            MySqlConnection conexion = new MySqlConnection("Server=10.0.0.9; Port=3308; Database= baseprincipal; Uid=root; Pwd=; ");
            conexion.Open();
        }
        catch (Exception ex)
        {

            MessageBox.Show( this,ex.Message,"error", MessageBoxButtons.OK, MessageBoxIcon.Error);
        }
    }