Right-click the Controls folder and choose Add Í Add New Item.In the dialog box that follows, choose your programming language,click Web User Control, and make sure that Place Code in Separate File is checked, as shown in Figure 8-1. Name the fi le Banner and then click Add to add the control to the site. Notice how VS adds the extension of .ascx for you automatically if you don’t type it in. VS does this for all fi le types you add through the Add New Item dialog
box so you don’t need to type the extension yourself. Your Solution Explorer should now look like Figure 8-2.