$model->attributes=$_POST['InvRefUsr'];

    public function rules()
    {
        // NOTE: you should only define rules for those attributes that
        // will receive user inputs.
        return array(
            // The following rule is used by search().
            // @todo Please remove those attributes that should not be searched.
            array('USR, TAB_NUM', 'safe', 'on'=>'search'),
            array('USR, TAB_NUM, NOTE', 'safe'),
        );
    }

   public function saveModel($model)
    {
       $model->save();
    }

    public function actionCreate()
    {
        $model=new InvRefUsr;

        if(isset($_POST['ajax']) && $_POST['ajax']==='client-account-create-form')
        {
            echo CActiveForm::validate($model);
            Yii::app()->end();
        }

        if(isset($_POST['InvRefUsr']))
        {
            var_dump($_POST['InvRefUsr']);
            $model->attributes=$_POST['InvRefUsr'];
            var_dump($model->getAttributes());
            die();
            if($model->validate())
            {
                $this->saveModel($model);
                $this->redirect(array('view','USR'=>$model->USR, 'TAB_NUM'=>$model->TAB_NUM));
            }
        }
        $this->render('create',array('model'=>$model));
    }