gistfile1.php

    public function actionUpdate($id)
    {
            $model=$this->loadModel($id);
            $roomInformationModel = $this->loadRoomInformationModel( $_GET['roomInfoId'] );
     
        if( isset($_POST['GuestReservations']) && isset($_POST['RoomInformation']) )
        {
            $roomInformationModel->attributes = $_POST['RoomInformation'];
            $model->attributes = $_POST['GuestReservations'];
            if( $roomInformationModel->save() && $model->save() ) {
                    $this->redirect(array('rooms/view','id'=>$_POST['RoomInformation']['idRooms']));
            } else {
                // render you partial again with errors if necessary 
            }
       }
    }
     
    public function loadRoomInformationModel($id)
    {
            $model=RoomInformation::model()->findByPk($id);
            if($model===null)
                    throw new CHttpException(404,'The requested page does not exist.');
            return $model;
    }