public IHttpActionResult GetAllSupplierItems()
        {
            string error = "";

            List <ItemModel> ims = ItemRepo.GetAllSupplierItems(out error);

            if (error != "" || ims == null)
            {
                if (error == ConError.Status.NOTFOUND)
                {
                    return(Content(HttpStatusCode.NotFound, "Items Not Found"));
                }
                return(Content(HttpStatusCode.BadRequest, error));
            }
            return(Ok(ims));
        }