public ActionResult Delete(int id)
{
Dinner dinner = dinnerRepository.GetDinner(id);
if (dinner == null)
return View("NotFound");
else
return View(dinner);
}
[HttpPost]
public ActionResult Delete(int id, string ConfirmButton) /*what is the use of this parameter string ConfirmButton*/
{
Dinner dinner = dinnerRepository.GetDinner(id);
if(dinner==null)
return View("NotFound");
else
{ dinnerRepository.Delete(dinner);
dinnerRepository.Save();
return View("Deleted");
}
}

It certainly doesnt do anything. Looks like the author forgot to remove it.