public Boolean DeleteInventoryItem(int itemid)
        {
            da = new DAInventorytem(dbProviderFactory);
            data = new InventoryItemData();

            data = da.DeleteInventoryItem(itemid);

            if (data.ResultCode == ResultCodes.SUCCESSFUL_TRANSACTION)
            {
                return true;
            }
            else
            {
                return false;
            }
        }