public ActionResult DeleteBook(int id)
        {
            LibraryManagementSystemContext context = new LibraryManagementSystemContext();
            BooksRepository booksRepository = new BooksRepository(context);
            BooksDeleteBookVM model = new BooksDeleteBookVM();

            Book book = booksRepository.GetByID(id);

            model.ID = book.ID;
            model.Title = book.Title;

            return View(model);
        }
        public ActionResult DeleteBook(BooksDeleteBookVM model)
        {
            LibraryManagementSystemContext context = new LibraryManagementSystemContext();
            BooksRepository booksRepository = new BooksRepository(context);

            Book book = booksRepository.GetByID(model.ID);
            if (book == null)
            {
                return HttpNotFound();
            }
            else
            {
                booksRepository.Delete(book);
            }

            return RedirectToAction("Index");
        }