// PUT: api/Trips/5
public void Put(int id, [FromBody] tblTrip trip)
{
db.alterTrip(trip.TripID, trip.Airplane_No, trip.Departure_Time, trip.Arrival_Time);
}
// POST: api/Trip
public void Post([FromBody] tblTrip trip)
{
db.addTrip(trip.FlightID, trip.Airplane_No, trip.TripDate.Date, trip.Departure_Time, trip.Arrival_Time);
}