isValid ) $txt .= "DATA OK"; else $txt .= "DATA NOK"; $this->Result->Text.= ' --- ' . $txt; } public function check( $sender, $param ) { //$c=$this->CheckCount; $this->Result->Text="Check callback called (".++$this->CheckCount.")"; //$this->CheckCount=$c; if ( $this->testField->getText() == 'Test' ) $param->isValid = true; else $param->isValid = false; } public function setCheckCount($value) { $this->setViewState('CheckCount', $value); } public function getCheckCount() { return $this->getViewState('CheckCount', 0); } }