setStringProperty( ReportItem.DATA_SET_PROP, valueToSet );
setStringProperty( IReportItemModel.DATA_SET_PROP, valueToSet );
	public void setDataSet( DataSetHandle handle ) throws SemanticException	{		if ( handle == null )			setStringProperty( DATA_SET_PROP, null );		else		{			ModuleHandle moduleHandle = handle.getRoot( );			String valueToSet = handle.getName( );			if ( moduleHandle instanceof LibraryHandle )			{				String namespace = ( (LibraryHandle) moduleHandle )						.getNamespace( );				valueToSet = StringUtil.buildQualifiedReference( namespace,						handle.getName( ) );			}			setStringProperty( ReportItem.DATA_SET_PROP, valueToSet );		}	}