Inheritance: INotifyPropertyChanging, INotifyPropertyChanged
		private void detach_FILE_PROPERTies(FILE_PROPERTY entity)
		{
			this.SendPropertyChanging();
			entity.FILE = null;
		}
 partial void DeleteFILE_PROPERTY(FILE_PROPERTY instance);
 partial void InsertFILE_PROPERTY(FILE_PROPERTY instance);
 partial void UpdateFILE_PROPERTY(FILE_PROPERTY instance);
		private void attach_FILE_PROPERTies(FILE_PROPERTY entity)
		{
			this.SendPropertyChanging();
			entity.PROPERTY_TYPE = this;
		}