public function actionSalesordercreate() { $model = new SalesOrder(); $this->layout = $this->CheckSession(); if ($model->load(Yii::$app->request->post()) && $model->save()) { return $this->redirect(['warehouse/salesorderindex', 'id' => $model->ID_SO]); } else { $id = $model->getLastIdSO(); $model->Kode_SO = $id + 1; return $this->render('sales-order/create', ['model' => $model]); } }