public ActionResult Detail(int id)
        {
            ViewBag.Employee = Repo.GetSingleEmployee(id);
            ViewBag.Age      = DateTime.Now.Year - ViewBag.Employee.BirthDate.Year;
            ViewBag.Habitats = ViewBag.Employee.AssignedHabitats;

            if (ViewBag.Employee == null)
            {
                return(View("Index"));
            }
            else
            {
                return(View("Detail", ViewBag.Employee));
            }
        }