private void btn_reservas_Click(object sender, EventArgs e)
{
this.Hide();
ABMReserva01 formABMReserva01 = new ABMReserva01(usuario, hotel);
formABMReserva01.ShowDialog();
this.Show();
}
private void btn_reservar_Click(object sender, EventArgs e)
{
this.Hide();
ABMReserva01 formABMReserva01 = new ABMReserva01("GUEST", 0);
formABMReserva01.ShowDialog();
txt_usuario.Clear();
txt_password.Clear();
this.Show();
}