public async Task <IActionResult> Create([Bind("Name")] Author author)
        {
            if (ModelState.IsValid)
            {
                _context.Add(author);
                await _context.SaveChangesAsync();

                return(RedirectToAction(nameof(Index)));
            }
            return(View(author));
        }
        public async Task <IActionResult> Create([Bind("Title,AuthorID,LanguageID")] Book book)
        {
            if (ModelState.IsValid)
            {
                _context.Add(book);
                await _context.SaveChangesAsync();

                return(RedirectToAction(nameof(Index)));
            }
            ViewBag.Languages = new SelectList(_context.Languages.AsNoTracking(), "ID", nameof(Language.Name), book.LanguageID);
            ViewBag.Authors   = new SelectList(_context.Authors.AsNoTracking(), "ID", nameof(Author.Name), book.AuthorID);
            return(View(book));
        }