private void detach_statistics(statistic entity)
		{
			this.SendPropertyChanging();
			entity.player = null;
		}
		private void attach_statistics(statistic entity)
		{
			this.SendPropertyChanging();
			entity.player = this;
		}
 partial void Updatestatistic(statistic instance);
 partial void Deletestatistic(statistic instance);
 partial void Insertstatistic(statistic instance);