php - redirecting pages in yii afterlogin -

this sitecontroller.php im trying redirect user after login static website shows simple hello. i'm having trouble redirecting my aindex.php

public function actionlogin() {     $model=new loginform;     yii::app()->session['username'] = 'seslog';     if(isset($_post['ajax']) && $_post['ajax']==='login-form')           {         echo cactiveform::validate($model);         yii::app()->end();     }      if(isset($_post['loginform']))                           {         $model->attributes=$_post['loginform'];              if($model->validate() && $model->login()){                        $this->redirect(array('site/aindex'));//i can't redirect              }     }      $this->render('login',array('model'=>$model));                       }    

here aindex.php file

<?php    echo "hello "; ?> 

you using 'array' value sending specific url, not array.

http://book.cakephp.org/2.0/en/controllers.html

just use :- $this->redirect('site/aindex');