partial void DeleteGeo(Geo instance);
 partial void UpdateGeo(Geo instance);
		private void detach_Geos(Geo entity)
		{
			this.SendPropertyChanging();
			entity.ParentGeo = null;
		}
 partial void InsertGeo(Geo instance);
		private void attach_Geos(Geo entity)
		{
			this.SendPropertyChanging();
			entity.ParentGeo = this;
		}