List<Location> warehouses=manager.findByWarehouse(warehouseText.getText());
Iterator<Location> it=warehouses.iterator();
while(it.hasNext()){
Row row=new Row();
Location c=it.next();
row.appendChild(new Checkbox());
row.appendChild(new Label(c.getId().toString()));
row.appendChild(new Label(c.getName()));
row.appendChild(new Label(c.getWarehouse().getName()));
row.appendChild(new Label(c.getDescription().getShortDescription()));