Certkiller .com's e-Commerce Web application contains a page named Products.aspx that uses data source and data-bound server controls. Customers use the server controls to search for products. The Products.aspx page does not have an associated code-behind file. You need to convert the Products.aspx page to a user control so that its functionality can be reused on other pages. What should you do?（）
- A Move the Products.aspx page to the App_Code folder.
- B Create a code-behind file for the Products.aspx page.
- C Rename the Products.aspx page to Products.ascx..
- D Remove all server controls from the Products.aspx page.
- E Replace the Page directive with a Control directive.