partial void UpdateTerritory(Territory instance);
 partial void DeleteTerritory(Territory instance);
 partial void InsertTerritory(Territory instance);
		private void detach_Territories(Territory entity)
		{
			this.SendPropertyChanging();
			entity.Region = null;
		}
 private bool FilterTerritories(Territory entity)
 {
     return (entity.RegionID == this.RegionID);
 }
 private void DetachTerritories(Territory entity)
 {
     entity.Region = null;
 }
 private void AttachTerritories(Territory entity)
 {
     entity.Region = this;
 }