in my page have some commandButton that open dialog with table . 
table have 300 row and after close HTML dialog not destroy and persist in HTML page . 
i want destroy data in dialog after hide. and after click on commandButton repeat action load dialog and load data in dialog . 
I found this method 

```xml
<p:ajax event="close" update="growl" listener="#{dialogBean.handleClose}"/>

```

but not know how can destroy dialog from facescontext.