filters.addFilter(last);
filters.addFilter(nameFilter);
filters.addFilter(filter);
filters.addFilter(dateFilter);
filters.addFilter(booleanFilter);
filters.addFilter(listFilter);
final Grid<Stock> grid = new Grid<Stock>(store, cm);
grid.addListener(Events.Attach, new Listener<BaseEvent>() {
public void handleEvent(BaseEvent be) {