return "row[\"" + colName + "\"]";
return "row[\"" + escape( colName ) + "\"]";
	public static String getExpressionString( Object colName )	{		if ( colName == null )		{			return ""; //$NON-NLS-1$		}		return "row[\"" + colName + "\"]";//$NON-NLS-1$ //$NON-NLS-2$	}