private void detach_Boards(Board entity)
		{
			this.SendPropertyChanging();
			entity.PartsOfDBID = null;
		}
 partial void DeleteBoard(Board instance);
 partial void InsertBoard(Board instance);
 partial void UpdateBoard(Board instance);
		private void detach_Boards(Board entity)
		{
			this.SendPropertyChanging();
			entity.UserAccount = null;
		}