public async Task <List <Passenger> > CreatPassengers(string[] lastName, string[] firstName, string[] ID) { List <Passenger> passengerList = new List <Passenger>(); for (int i = 0; i < lastName.Length; i++) { Passenger passenger = new Passenger { LastName = lastName[i], FirstName = firstName[i], PersonalID = ID[i] }; await _context.AddAsync(passenger); passengerList.Add(passenger); } return(passengerList); }