public ListPeople Add(ListPeople listPeople)
{
if (listPeople == null)
{
throw new ArgumentNullException("listpeople");
}
listPeople.Name = newname;
people.Add(listPeople);
return(listPeople);
}
public bool Update(ListPeople listPeople)
{
if (listPeople == null)
{
throw new ArgumentNullException("listpeople");
}
int index = people.FindIndex(b => b.Name == listPeople.Name);
if (index == -1)
{
return(false);
}
people.RemoveAt(index);
people.Add(listPeople);
return(true);
}