public IActionResult NewPerson(Person person)
 {
     if (ModelState.IsValid)
     {
         person.PersonId = CreatePersonId;
         AllPeople.Add(person);
         return(RedirectToAction("Index"));
     }
     return(View("Index", BuildDash()));
 }
 private void OnAddNewPerson()
 {
     AllPeople.Add(UserTextInput);
     UserTextInput = null;
 }