// GET: Admin/NewsPosts/Edit/5
        public async Task <IActionResult> Edit(int?id)
        {
            if (id == null)
            {
                return(NotFound());
            }

            var newsPost = await _context.Posts.FindAsync(id);

            if (newsPost == null)
            {
                return(NotFound());
            }
            NewsPostEditViewModel result = new NewsPostEditViewModel()
            {
                AuthorId = newsPost.AuthorId,
                Content  = newsPost.Content,
                Date     = newsPost.Date,
                Id       = newsPost.Id,
                Title    = newsPost.Title
            };

            ViewData["AuthorId"] = new SelectList(_context.Users, "Id", "UserName", newsPost.AuthorId);
            return(View(result));
        }
        public async Task <IActionResult> Edit(int id, [Bind("Id,Title,AuthorId,Content,Date")] NewsPostEditViewModel newsPost)
        {
            if (id != newsPost.Id)
            {
                return(NotFound());
            }

            if (ModelState.IsValid)
            {
                try
                {
                    NewsPost result = _context.Posts.FirstOrDefault(p => p.Id == newsPost.Id);
                    _context.Update(result);
                    await _context.SaveChangesAsync();
                }
                catch (DbUpdateConcurrencyException)
                {
                    if (!NewsPostExists(newsPost.Id))
                    {
                        return(NotFound());
                    }
                    else
                    {
                        throw;
                    }
                }
                return(RedirectToAction("Index", "News", new { area = "" }));
            }
            ViewData["AuthorId"] = new SelectList(_context.Users, "Id", "UserName", newsPost.AuthorId);
            return(View(newsPost));
        }