//crée une nouvelle reservation public static int NewReservation(String NameClient, String FirstNameClient, DateTime CheckIn, DateTime CheckOut, int idRoom, int PriceIncreased) { int IdReservation = ReservationDB.NewReservation(NameClient, FirstNameClient, CheckIn, CheckOut); RoomReservationManager.NewRoomReservation(IdReservation, idRoom, PriceIncreased); return(IdReservation); }