This is the code in the View.
<?php echo CHtml::link('MyDialog', Yii::app()->createUrl('site/page'), array('class' => 'openDlg divDialog')); ?>
<?php
$this->beginWidget('zii.widgets.jui.CJuiDialog', array('id'=>'divDialog',
'options'=>array( 'title'=>Yii::t('Dialog Title', 'autoOpen'=>false, 'modal'=>true, 'width'=>600)));
?>
<div class="divForForm"></div>
<?php
$this->endWidget(...