private void detach_MeetingRoom(MeetingRoom entity)
		{
			this.SendPropertyChanging();
			entity.MeetingType = null;
		}
		private void attach_MeetingRoom(MeetingRoom entity)
		{
			this.SendPropertyChanging();
			entity.MeetingType = this;
		}
 partial void UpdateMeetingRoom(MeetingRoom instance);
 partial void DeleteMeetingRoom(MeetingRoom instance);
 partial void InsertMeetingRoom(MeetingRoom instance);