private void cancelFlight_btn_Click(object sender, EventArgs e)
{
if (currSysTime_DTP.Value > upcoming_selected_dept.AddDays(-1))
{
//flight within 24 hours cannot cancel
MessageBox.Show("Flight takes off in 24 hours cannot cancel");
}
else
{
//cancel in userhistid
Console.WriteLine("cancelling the booking");
FormDatabaseHelper.cancelBooking(upcoming_selectedID_ufh);
populateUpcomingFlightsGrid(upcomingFlights_datagridview);
}
}
