gistfile1.php

// have this inside your Users model

public function getUserType()
{
return $this->type == 1 ? "Administrator" : "User";
}


// modify your grid as this
<?php 
echo "user" . $model->type;
$this->widget('zii.widgets.grid.CGridView', array(
	'id'=>'users-grid',
	'dataProvider'=>$model->search(),
	'filter'=>$model,
	'columns'=>array(
		'id',
		'username',
		'password',
		'email',
                'userType',
		array(
                        'class'=>'CButtonColumn',
		),

	),
)); ?>