GroupsData s = new GroupsData();
if (itemId instanceof DataInventario)
s = ((DataInventario) itemId).getGroupsData();
combo.setValue(s);
combo.commit();
return combo;
} else if (container.getItem(itemId).getItemProperty(propertyId)
.getValue() instanceof Timestamp
|| container.getItem(itemId).getItemProperty(propertyId)
.getValue() instanceof Date) {