public void DeleteComand()
        {
            var leaseTime = (from item in CarsCollection select item.LeaseTime);

            foreach (var time in leaseTime)
            {
                LeaseTime = time;
            }
            var phoneNumber = (from item in CarsCollection select item.PhoneNumber);

            foreach (var number in phoneNumber)
            {
                PhoneNumber = number;
            }
            var spaceType = (from item in CarsCollection select item.SpaceType);

            foreach (var space in spaceType)
            {
                SpaceType = space;
            }
            PayAmountSum = payAmountSum_func();
            SqlConnectionCarsHistory history = new SqlConnectionCarsHistory();

            history.InsertUserCarRecords(CarNumber, CarRegion, CarSeries, LeaseTime, PhoneNumber, SpaceType, TimeOut, PayAmountSum);
            SqlConnectionCar spam = new SqlConnectionCar();

            spam.DeleteCar(CarNumber, CarRegion, CarSeries);
            CarsCollection = AllItems();
            CarNumber      = String.Empty;
            CarRegion      = 0;
            CarSeries      = String.Empty;
            PayAmountSum   = String.Empty;
            TimeOn         = TimeSpan.Zero;
        }
        private ObservableCollection <Car> AllItems()
        {
            SqlConnectionCarsHistory   spam   = new SqlConnectionCarsHistory();
            ObservableCollection <Car> carsDB = spam.ReadUsersRecords();

            CarsCollection = new ObservableCollection <Car>();
            if (carsDB != null)
            {
                foreach (var item in carsDB)
                {
                    CarsCollection.Add(item);
                }
            }
            return(CarsCollection);
        }
        private ObservableCollection <Car> GetProducts()
        {
            SqlConnectionCarsHistory   spam   = new SqlConnectionCarsHistory();
            ObservableCollection <Car> carsDB = spam.GiveUsersRecords(PhoneNumber);

            CarsCollection = new ObservableCollection <Car>();
            if (carsDB != null)
            {
                foreach (var item in carsDB)
                {
                    CarsCollection.Add(item);
                }
            }
            return(CarsCollection);
        }