Open the AboutUs.aspx page from the About folder in Markup View. If you don’t have that file,
create it fi rst. In the cpMainContent ContentPlaceHolder, add some text describing you or your
organization and the reason you created the site. Switch to Design View and drop the Banner
.ascx control from the Solution Explorer onto the design surface, right below the text you just
added. VS detects the user control in the master page called Banner1 and assigns the ID of Banner2
to the user control you just dropped. Notice how you see four banners in Design View; two come
from the Banner control in the master page and the other two come from the Banner control in the
About Us page itself. At run time, two of them will be hidden