public function actionDelete() { $model = new ModelKategori(); $session = Yii::$app->session; $username = $session->get('username'); if ($username != null) { $request = Yii::$app->request; $model->deleteKategori($request->get('id')); $data = $model->getKategori(); return $this->render('index', ['data' => $data, 'edit' => '']); } else { return $this->redirect(Url::to(['login/index'])); } }