public IActionResult Delete(int id)
        {
            var student = _repositoryStudent.GetStudentById(id);

            if (student == null)
            {
                return(RedirectToAction(nameof(Index)));
            }
            else
            {
                var studentViewModel = new StudentEditModelDelete();

                studentViewModel.idStudent   = student.id;
                studentViewModel.nameStudent = student.Name;
                return(View(studentViewModel));
            }
        }