redirect 403 page yii authorized to perform this action

  if($model->id != Yii::app()->user->id)
                    
                {
                    if(!Yii::app()->user->isAdmin())                                     {
                 throw new CHttpException(403,'You are not authorized to perform this action.');
                    }
               

                }

accessRules()method within the Controller class

public function accessRules()
        {
                return array(
                        array('allow', // allow all users to perform 'index' and 'view' actions
                                'controllers'=>array('issue','project','user'),
                                'actions'=>array('index', 'view', 'addUser'),
                                'users'=>array('@'),
                        ),
                        array('allow', // allow authenticated user to perform 'create' and 'update' actions
                                'controllers'=>array('issue','project','user'),
                                'actions'=>array('create','update'),
                                'users'=>array('@'),
                        ),
                        array('allow', // allow admin user to perform 'admin' and 'delete' actions
                                'controllers'=>array('issue','project','user'),
                                'actions'=>array('admin','delete'),
                                'users'=>array('admin'),
                        ),
                        array('deny', // deny all users
                                'controllers'=>array('issue','project','user'),
                                'users'=>array('*'),
                        ),
                );
        }

CDbCriteria with condition

 $sitelinks = Sitelink::model()->find('activation=:activation AND category=:category',
array(
   ':activation'=>1,
   ':category'=>$catname->id,
));



$criteria = new CDbCriteria;
$criteria->condition='activation=:activation AND category=:category';
$criteria->params=array(':activation'=>1, ':category'=>$catname->id);
$sitelinks = Sitelink::model()->find($criteria);