return (DataSetHandle) dataSet.getHandle( module );
return (DataSetHandle) dataSet.getHandle( dataSet.getRoot( ) );
	public DataSetHandle getDataSet( )	{		DesignElement dataSet = ( (ReportItem) getElement( ) )				.getDataSetElement( module );		if ( dataSet == null )			return null;		assert dataSet instanceof DataSet;		return (DataSetHandle) dataSet.getHandle( module );	}