Yii Cgridview enable disable buttons

               array(
			'class'=>'bootstrap.widgets.TbButtonColumn',
			'template' => '{update}{delete}{view}',
		),


Yii cgridview shows buttons in the above manner,

if you want to disable delete option from the cgridview 

you can easily change as,

                array(
			'class'=>'bootstrap.widgets.TbButtonColumn',
			'template' => '{update}{view}',
		),