Page->IsPostBack && !$this->Page->IsCallBack) { $this->Repeater->DataSource = $dataArray ; $this->Repeater->dataBind() ; } } public function changeText( $sender, $param ) { $obj = $this->myLabel ; $obj->Text = $sender->Text ; $obj->Display="Dynamic"; // solution //$this->CallBackClient->show($obj, true); } // activeradiobutton bug public function checkRadioButton($sender, $param){ $this->myRadioButton->checked = true; } public function uncheckRadioButton($sender, $param){ $this->myRadioButton->checked = false; // solution //$this->CallbackClient->check($this->myRadioButton, false); } }