MACROMEDIA DREAMWEAVER 8-GETTING STARTED WITH DREAMWEAVER Getting Started page 141

The window splits, showing both the Design view and the underlying
HTML code.
You can edit the code in Code view. Changes you make to the code
don't appear in Design view until you either click Refresh in the
Document toolbar, or click anywhere in Design view.
3.
(Optional) To show Design view only, click Design view.
4. (Optional) To show Code view only, click Code view.
When you're working on your own pages, you can use whichever view is
most comfortable for you. Most of the tutorials in this guide assume that
you're using Design view.
Refresh button
Look at the code 141