public ActionResult Subcategories(int dossierId)
        {
            RecordModel rec = new RecordModel();

            rec.GetCategories(dossierId);
            List <POCO.recordSubcategory> subcategories = rec.subcategories;

            if (subcategories == null)
            {
                return(HttpNotFound());
            }

            return(PartialView("_Subcategories", subcategories));
        }