public IActionResult DeleteSectionConfirmed(int?id)
        {
            var section = _services.ListOfSections()
                          .Include(s => s.Department)
                          .SingleOrDefault(s => s.Id == id);

            if (section != null)
            {
                _services.DeleteSection(section);
                _services.Save();
            }

            return(RedirectToAction("DepartmentList"));
        }