private void changeInventory(IInventoryEntity changeEntity, IAccountingEntity costEntity, IManagementService service) { Unit quan = new Unit(); quan = (changeEntity is PowderQuantity) ? this.massUnits.OfType <Unit>().Where(u => u.Abbreviation == "mgr.").First() : this.primerService.GetQuantityUnits().OfType <Unit>().Where(u => u.Abbreviation == "ea.").First(); if (changeEntity.QuantityUnitId != 0 && changeEntity.QuantityUnitId != quan.Id) { switch ((this.massUnits.OfType <Unit>().Where(u => u.Id == changeEntity.QuantityUnitId).First() as Unit).Abbreviation) { case "lbs.": changeEntity.Change *= 7000000; break; case "gr.": changeEntity.Change *= 1000; break; case "oz.": changeEntity.Change *= 437500; break; } } changeEntity.QuantityUnitId = quan.Id; changeEntity.StartQuantity = changeEntity.EndQuantity; changeEntity.EndQuantity = changeEntity.EndQuantity + changeEntity.Change; service.AddQuantity(changeEntity); var cost = Request.Form["Cost"]; if (!String.IsNullOrEmpty(cost)) { costEntity.EntityId = changeEntity.EntityId; costEntity.Date = changeEntity.Date; costEntity.Quantity = changeEntity.Change; costEntity.QuantityUnitId = changeEntity.QuantityUnitId; costEntity.Cost = Convert.ToDecimal(cost); service.AddCost(costEntity); } }