else { columnIDs = allColumns;
} else {  columnIDs = allColumns;
    protected void loadColumnIDs() {        String prefCols = PreferenceLoader.loadString(preferenceString + "TableColumns");        if (validColumnIDs(prefCols, allColumns))            columnIDs = prefCols;        else {            columnIDs = allColumns;            PreferenceLoader.setValue(preferenceString + "TableColumns", columnIDs);        }    }