public IActionResult Edit(int id, Issue issue)
        {
            if (id != issue.Id)
            {
                return(NotFound());
            }

            if (ModelState.IsValid)
            {
                try
                { issue.UpdatedAt = DateTime.Now;
                  _iIssueManager.Update(issue); }
                catch (DbUpdateConcurrencyException)
                {
                    if (!IssueExists(issue.Id))
                    {
                        return(NotFound());
                    }
                    else
                    {
                        throw;
                    }
                }
                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));
        }