public async Task <IHttpActionResult> GetStationery(string id)
        {
            var stationery = await _stationeryRepo.GetByIdAsync(id);

            if (stationery == null)
            {
                return(NotFound());
            }

            var dto = new StationeryDTO()
            {
                Description   = stationery.Description,
                BinNum        = stationery.BinNum,
                AvailableQty  = stationery.AvailableQty,
                Category      = stationery.Category.CategoryName,
                ItemNum       = stationery.ItemNum,
                ReorderLevel  = stationery.ReorderLevel,
                ReorderQty    = stationery.ReorderQty,
                UnitOfMeasure = stationery.UnitOfMeasure
            };

            return(Ok(dto));
        }