public DrugUnitsApiModel Edit(int?id)
        {
            if (id == null)
            {
                return(null);
            }
            var drugUnit = _drugUnitsService.GetDrugUnitById(id);

            if (drugUnit == null)
            {
                return(null);
            }
            var drugUnitModel = _mapper.AutoMapper.Map <DrugUnitDto, DrugUnitsApiModel>(drugUnit);

            return(drugUnitModel);
        }
        // GET: DrugUnits/Edit/5
        public ActionResult Edit(int?id)
        {
            if (id == null)
            {
                return(new HttpStatusCodeResult(HttpStatusCode.BadRequest));
            }
            var drugUnit = _drugUnitsService.GetDrugUnitById(id);

            if (drugUnit == null)
            {
                return(HttpNotFound());
            }
            var       drugUnitModel = _mapper.AutoMapper.Map <DrugUnitDto, DrugUnitsViewModel>(drugUnit);
            LookupDto lookup;

            ViewBag.DepotId = new SelectList(_depotsService.GetDepotLookup(), nameof(lookup.Key), nameof(lookup.Value), drugUnit.DepotId);
            return(View(drugUnitModel));
        }