if ( !checkDataDefinition( sdList, validColumnList ) )
if ( !checkDataDefinition( sdList ) )
	public static boolean checkDataBinding( Chart chart, String[] validColumns )	{		// Set all column names be upper case string		List validColumnList = new ArrayList( validColumns.length );		for ( int i = 0; i < validColumns.length; i++ )		{			validColumnList.add( validColumns[i].toUpperCase( ) );		}		List sdList = ChartUIUtil.getBaseSeriesDefinitions( chart );		if ( !checkDataDefinition( sdList, validColumnList ) )		{			return false;		}		for ( int i = 0; i < ChartUIUtil.getOrthogonalAxisNumber( chart ); i++ )		{			sdList = ChartUIUtil.getOrthogonalSeriesDefinitions( chart, i );			if ( !checkDataDefinition( sdList, validColumnList ) )			{				return false;			}		}		return true;	}