//Add and Update Attendee
public Attendee AddandUpdateAttendee(Attendee attendee)
{
Attendee attendees = new Attendee();
if (attendee.Id == 0)
{
attendees = _Attendee.AddData(attendee);
}
else
{
attendees = _Attendee.UpdateData(attendee);
}
return(attendees);
}
