public void save(List <SaleLineItemBO> linelist)
        {
            ItemDAL itemD = new ItemDAL();

            foreach (var line in linelist)
            {
                ItemBO i = itemD.search(line.Itemid);
                i.Quantity = i.Quantity - line.Quantity;
                itemD.modify(i);
            }
            SaleLineItemDAL saleLine = new SaleLineItemDAL();

            saleLine.save(linelist);
        }
        public void updateId(int id)
        {
            SaleLineItemDAL saleLine = new SaleLineItemDAL();

            saleLine.updateId(id);
        }
        public int readId()
        {
            SaleLineItemDAL saleLine = new SaleLineItemDAL();

            return(saleLine.readId());
        }