public IActionResult Create(Issue issue)
        {
            if (ModelState.IsValid)
            {
                issue.CreatedAt = DateTime.Now;
                _iIssueManager.Add(issue);

                return(RedirectToAction(nameof(Index)));
            }
            ViewData["BookId"]   = new SelectList(_iBookManager.GetAll(), "Id", "Name", issue.BookId);
            ViewData["MemberId"] = new SelectList(_iMemberManager.GetAll(), "Id", "Name", issue.MemberId);


            return(View(issue));
        }