XEvent e = ne.<XEvent> cast();
if (lastSelected != null && enableNavKeys) {
if (kc == KeyCodes.KEY_PAGEUP) {
e.stopPropagation();
e.preventDefault();
select(0, false);
grid.getView().focusRow(0);
} else if (kc == KeyCodes.KEY_PAGEDOWN) {
e.stopPropagation();
e.preventDefault();