private void setDelivery()
        {
            List <ShopBasketPos> pos  = basket.GetLines();
            List <car>           cars = new List <car>(pos.Count);

            for (int i = 0; i < pos.Count; i++)
            {
                cars.Add(dataFormDTO.db.cars.Find(pos[i].ProdID));
            }

            int  maxDelivery  = 0;
            bool needDelivery = false;

            for (int i = 0; i < pos.Count; i++)
            {
                if (pos[i].Quantity > cars[i].rest)
                {
                    needDelivery = true;
                    if (maxDelivery < cars[i].deliveryTime)
                    {
                        maxDelivery = cars[i].deliveryTime.Value;
                    }
                }
            }

            if (needDelivery)
            {
                DeliveryLabel.Show();
                Delivery.Show();
                DeliveryLabel.Text = maxDelivery.ToString() + " д.";
            }
            else
            {
                Delivery.Hide();
                DeliveryLabel.Hide();
            }
        }