/// <summary>
        /// The method that collected all the steps to add an item to the warehouse.
        /// </summary>
        /// <param name="addProduct"></param>
        #region Adding product
        static void AddingProcuct(AddProductController addProduct)
        {
            // Adding product
            while (true)
            {
                StartMenu();

                addProduct.YesNo(ref yesNo);

                addProduct.ValueYesNo(ref yesNo);

                if (yesNo == "n")
                {
                    break;
                }

                addProduct.EnterNumberAddMenu(ref idProduct);

                addProduct.SwitchNumberAddMenu(ref idProduct, ref countItemsOfWarehouse, ref yesNo);
            }
        }