public function actionmyjob()
         {
         $row = Yii::app()->db->createCommand()
        ->select('j.title,j.company_name')
        ->from('job_application a')
        ->join('jobs j','a.job_id = j.id')
        ->queryRow();
    echo $count=count($row);
       $this->render('myjob',array('row' =>$row));
      }

<?php
 foreach($row as $rows)
 {
 echo $row->title."</br>";
 }

 ?>

<?php
 foreach($row as $rows)
 {
 echo $rows."</br>"; // If you want to use only title then try $row['title']
 }
 ?>

public function actionmyjob()
         {
         $row = Yii::app()->db->createCommand()
        ->select('j.title,j.company_name')
        ->from('job_application a')
        ->join('jobs j','a.job_id = j.id')
        ->queryAll();
    echo $count=count($row);
       $this->render('myjob',array('row' =>$row));
      }

<?php
 foreach($row as $rows)
 {
 echo $rows['title']."</br>"; // change $row to $rows
 }

 ?>