public int Create(int DiscountID, decimal StartSuma, decimal?EndSuma, decimal?DiscountPercent) { int result = 1; WareDiscountRule sr = WareDiscountRule.CreateWareDiscountRule(1, DiscountID, StartSuma); if (EndSuma != null) { sr.EndSuma = EndSuma; } if (DiscountPercent != null) { sr.DiscountPercent = DiscountPercent; } context.AddToWareDiscountRules(sr); return(result); }