コード例 #1
0
        public async Task <IActionResult> Edit(int id, PhotosEditorViewModel model)
        {
            if (id != model.Photo.Id)
            {
                return(NotFound());
            }

            if (ModelState.IsValid)
            {
                try
                {
                    if (model.PhotoFile != null)
                    {
                        bool loadingResult = await LoadImage(model.Photo, model.PhotoFile);

                        if (!loadingResult)
                        {
                            return(View(model.Photo));
                        }
                    }

                    _context.Update(model.Photo);
                    await _context.SaveChangesAsync();
                }
                catch (DbUpdateConcurrencyException)
                {
                    if (!PhotoExists(model.Photo.Id))
                    {
                        return(NotFound());
                    }
                    else
                    {
                        throw;
                    }
                }
                return(RedirectToAction(nameof(Index)));
            }
            return(View(model));
        }