public IActionResult Edit(int id, [Bind("SubtypeId,SubtypeName,TypeId")] Subtype subtype)
        {
            if (id != subtype.SubtypeId)
            {
                return(NotFound());
            }

            if (ModelState.IsValid)
            {
                _subtypeRepository.Update(subtype);
                return(RedirectToAction(nameof(Index)));
            }
            ViewData["TypeId"] = new SelectList(_typeRepository.GetAll(), "TypeId", "TypeName", subtype.TypeId);
            return(View(subtype));
        }