public async Task <IActionResult> Edit(int id, [Bind("BookId,Title,Description,PublishedOn,AuthorId")] Book book)
        {
            if (id != book.BookId)
            {
                return(NotFound());
            }

            if (ModelState.IsValid)
            {
                try
                {
                    _context.Update(book);
                    await _context.SaveChangesAsync();
                }
                catch (DbUpdateConcurrencyException)
                {
                    if (!BookExists(book.BookId))
                    {
                        return(NotFound());
                    }
                    else
                    {
                        throw;
                    }
                }
                return(RedirectToAction(nameof(Index)));
            }
            ViewData["AuthorId"] = new SelectList(_context.Set <Author>(), "AuthorId", "Name", book.AuthorId);
            return(View(book));
        }
Esempio n. 2
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        public async Task <IActionResult> Edit(int id, [Bind("AuthorId,Name")] Author author)
        {
            if (id != author.AuthorId)
            {
                return(NotFound());
            }

            if (ModelState.IsValid)
            {
                try
                {
                    _context.Update(author);
                    await _context.SaveChangesAsync();
                }
                catch (DbUpdateConcurrencyException)
                {
                    if (!AuthorExists(author.AuthorId))
                    {
                        return(NotFound());
                    }
                    else
                    {
                        throw;
                    }
                }
                return(RedirectToAction(nameof(Index)));
            }
            return(View(author));
        }