setDataSource($this->matchCountries($param->Token)); $sender->dataBind(); $this->label1->Text = "suggestion for ".$param->Token; } public function callback_requested($sender, $param) { $this->label1->Text = "Label 1: ".$sender->Text; } protected function matchCountries($token) { $info = Prado::createComponent('System.I18N.core.CultureInfo', 'en'); $list = array(); $count = 0; $token = strtolower($token); foreach($info->getCountries() as $country) { if(strpos(strtolower($country), $token) === 0) { $list[] = $country; $count++; if($count > 10) break; } } return $list; } function suggestion_selected($sender, $param) { var_dump($param->selectedIndex); } }