private void detach_service_events(service_event entity)
		{
			this.SendPropertyChanging();
			entity.@event = null;
		}
		private void attach_service_events(service_event entity)
		{
			this.SendPropertyChanging();
			entity.@event = this;
		}
 partial void Updateservice_event(service_event instance);
 partial void Deleteservice_event(service_event instance);
 partial void Insertservice_event(service_event instance);