getWizardContext( ).getDataServiceProvider( ) .setDataSet( datasetName );
getDataServiceProvider( ).setDataSet( datasetName );
	private void switchDataSet( String datasetName ) throws ChartException	{		try		{			getWizardContext( ).getDataServiceProvider( )					.setDataSet( datasetName );			tablePreview.clearContents( );			// Try to get report data set			if ( datasetName == null )			{				datasetName = getWizardContext( ).getDataServiceProvider( )						.getReportDataSet( );			}			if ( datasetName != null )			{				switchDataTable( datasetName );			}			else			{				tablePreview.createDummyTable( );			}			tablePreview.layout( );		}		catch ( Throwable t )		{			throw new ChartException( ChartEnginePlugin.ID,					ChartException.DATA_BINDING,					t );		}		DataDefinitionTextManager.getInstance( ).refreshAll( );		doLivePreview( );	}