private void BtnEditBooking_Click(object sender, EventArgs e)
        {
            if(DgvBookings.SelectedRows.Count > 0)
            {
                int BookingID = (int)DgvBookings.SelectedRows[0].Cells["BookingDetailID"].Value;

                BookingDetail selectedBooking = BookingDetail.GetBookingByID(BookingID);
                ZubosFrmEditBooking frmEditBooking = new ZubosFrmEditBooking(selectedBooking);
                frmEditBooking.ShowDialog();
            }
        }
        private void BtnEditBooking_Click(object sender, EventArgs e)
        {
            if (DgvBookings.SelectedRows.Count > 0)
            {
                int BookingID = (int)DgvBookings.SelectedRows[0].Cells["BookingDetailID"].Value;

                BookingDetail       selectedBooking = BookingDetail.GetBookingByID(BookingID);
                ZubosFrmEditBooking frmEditBooking  = new ZubosFrmEditBooking(selectedBooking);
                frmEditBooking.ShowDialog();
            }
        }