private void buyticket_Click(object sender, EventArgs e)
        {
            this.Hide();
            FindTicketForm findticket = new FindTicketForm();

            findticket.ShowDialog();
            LoadBusList();
            this.Show();
        }
        private void buttonBooking_Click(object sender, EventArgs e)
        {
            FindTicketForm tkb = new FindTicketForm();

            tkb.ShowDialog();
        }