public bool SellProductBL(SellBO objSellBO)
        {
            SellDA objSellDA = new SellDA();
            int    ProductID = objSellDA.GetProductID(objSellBO.ProductName);

            TypeDA objTypeDA    = new TypeDA();
            int    OldTypeCount = objTypeDA.GetOldTypeCount(objSellBO.TypeName, ProductID);

            Constants.RemainingProduct = OldTypeCount;
            if (OldTypeCount < objSellBO.ProductCount)
            {
                return(false);
            }
            int NewTypeCount = OldTypeCount - objSellBO.ProductCount;

            objTypeDA.DecreaseFromStock(objSellBO.TypeName, ProductID, NewTypeCount);

            decimal Price = objSellDA.GetPriceOfProduct(objSellBO, ProductID);

            objSellBO.ProductPrice = Price * objSellBO.ProductCount;
            objSellDA.SellProductDA(objSellBO);

            decimal oldLoan = objSellDA.GetOldLoan(objSellBO);
            decimal newLoan = oldLoan + objSellBO.ProductPrice;

            objSellDA.AddLoanDA(objSellBO, newLoan);

            return(true);
        }
        public void AddProductToStockBL(TypeBO objTypeBO)
        {
            StockBO   objStockBO   = new StockBO();
            StockDA   objStockDA   = new StockDA();
            TypeDA    objTypeDA    = new TypeDA();
            ProductDA objProductDA = new ProductDA();

            objStockBO.StockName  = objProductDA.GetProductName(objTypeBO.ProductID);
            objStockBO.StockType  = objTypeBO.TypeName;
            objStockBO.StockCount = objTypeBO.TypeCount;
            objStockBO.StockDate  = DateTime.Today;

            int oldCount = objTypeDA.GetOldTypeCount(objTypeBO.TypeName, objTypeBO.ProductID);

            objTypeBO.TypeCount = objTypeBO.TypeCount + oldCount;

            objTypeDA.AddProductToStockDA(objTypeBO);
            objStockDA.AddStockRecord(objStockBO);
        }