public decimal CalculatePriceBL(SellBO objSellBO)
        {
            SellDA  objSellDA = new SellDA();
            int     ProductID = objSellDA.GetProductID(objSellBO.ProductName);
            decimal Price     = objSellDA.GetPriceOfProduct(objSellBO, ProductID);

            objSellBO.ProductPrice = Price * objSellBO.ProductCount;
            return(objSellBO.ProductPrice);
        }
        public void DeleteTypeBL(string ProductName, string TypeName)
        {
            TypeDA objTypeDA = new TypeDA();
            SellDA objSellDA = new SellDA();

            int ProductID = objSellDA.GetProductID(ProductName);

            objTypeDA.DeleteTypeBL(ProductID, TypeName);
        }
        public void DeleteProductBL(string ProductName)
        {
            SellDA    objSellDA    = new SellDA();
            ProductDA objProductDA = new ProductDA();
            TypeDA    objTypeDA    = new TypeDA();
            int       ProductID    = objSellDA.GetProductID(ProductName);

            objProductDA.DeleteProductBL(ProductName);
            objTypeDA.DeleteTypeBL(ProductID);
        }
        public int GetProductID(string ProductName)
        {
            SellDA objSellDA = new SellDA();

            return(objSellDA.GetProductID(ProductName));
        }