public ImportCouponDetail AddImportCouponDetail(ImportCouponDetail importCouponDetail)
        {
            _unitOfWork.GetRepositoryInstance <ImportCouponDetail>().Add(importCouponDetail);
            //Update total amount
            ImportCoupon importCoupon = _unitOfWork.GetRepositoryInstance <ImportCoupon>().GetFirstorDefault(importCouponDetail.importCouponID.Value);
            Supplier     supplier     = _unitOfWork.GetRepositoryInstance <Supplier>().GetFirstorDefault(importCoupon.supplierID.Value);

            supplier.totalAmount += importCouponDetail.price * importCouponDetail.quantity;
            _unitOfWork.GetRepositoryInstance <Supplier>().Update(supplier);
            return(importCouponDetail);
        }
        public void InsertImportCouponDetail(eImportCouponDetail imde)
        {
            ImportCouponDetail i = new ImportCouponDetail();

            i.impdetaiID = imde.ImpdetailID;
            i.quantity   = imde.Quantity;
            i.price      = (decimal)imde.Price;
            i.total      = (decimal)imde.Total;
            i.impID      = imde.ImpID;
            db.ImportCouponDetails.InsertOnSubmit(i);
            db.SubmitChanges();
        }