static void ParkCar()
        {
            Console.Clear();
            Menu();

            ParkVehicle Vehicle = new ParkVehicle();

            bool a = false;

            while (a == false)
            {
                try
                {
                    Console.Write("Skriv in registreringsnummer: ");
                    Vehicle.RegNr = Console.ReadLine().ToUpper();
                    Console.WriteLine("Skriv in typ av fordon: ");
                    Console.WriteLine("Skriv in 1 för bil och 2 för mc");
                    int carOrMc = int.Parse(Console.ReadLine());
                    if (carOrMc < 1 || carOrMc > 2)
                    {
                        throw new ArgumentOutOfRangeException();
                    }
                    else
                    {
                        switch (carOrMc)
                        {
                        case 1:
                            Vehicle.TypeOfVehicle = "car";
                            break;

                        case 2:
                            Vehicle.TypeOfVehicle = "mc";
                            break;
                        }
                    }
                    Console.Write("Välj parkeringsplats: ");
                    Vehicle.ParkingSlot = int.Parse(Console.ReadLine());
                    Vehicle.ParkTime    = DateTime.Now.ToString("HH:mm:ss");
                    a = true;
                }
                catch (ArgumentOutOfRangeException fe)
                {
                    Console.WriteLine(fe.Message);
                    Console.Beep(800, 100);
                    Console.Beep(750, 100);
                    Console.Beep(700, 100);
                }
                catch (Exception fe)
                {
                    Console.WriteLine(fe.Message);
                    Console.Beep(800, 100);
                    Console.Beep(750, 100);
                    Console.Beep(700, 100);
                }
            }

            AddToDataBase(Vehicle.RegNr, Vehicle.TypeOfVehicle, Vehicle.ParkingSlot, Vehicle.ParkTime);

            BackToMenu();
        }
        static void ReadFromDataBase()
        {
            Vehicles.Clear();
            List <string> lines = File.ReadAllLines(filePath).ToList();

            foreach (var line in lines)
            {
                string[]    entries        = line.Split(',');
                ParkVehicle newParkVehicle = new ParkVehicle();
                newParkVehicle.RegNr         = entries[0];
                newParkVehicle.TypeOfVehicle = entries[1];
                newParkVehicle.ParkingSlot   = int.Parse(entries[2]);
                newParkVehicle.ParkTime      = entries[3];
                Vehicles.Add(newParkVehicle);
            }
        }