public IActionResult Edit(EditAudioFormatViewModel vm)
        {
            if (ModelState.IsValid)
            {
                AudioFormat editAudioFormat = _context.AudioFormats.SingleOrDefault(a => a.ID == vm.ID);
                editAudioFormat.Name = vm.Name;
                _context.SaveChanges();
            }

            return(RedirectToAction("Index"));
        }
        public IActionResult Edit(int id)
        {
            AudioFormat editAudioFormat = _context.AudioFormats.SingleOrDefault(a => a.ID == id);

            if (editAudioFormat != null)
            {
                EditAudioFormatViewModel vm = new EditAudioFormatViewModel()
                {
                    ID = id, Name = editAudioFormat.Name
                };
                return(View(vm));
            }
            return(RedirectToAction("Index"));
        }