单项选择题 You are working on an existing Web site. You need to secure the Web site by redirecting all users to the logon page, Login.aspx. After logging on, users must be sent back to the page that they originally requested. Which code segment should you use?（）
单项选择题 You develop a Web application that contains two master pages. You need to dynamically set the master page when a user views pages in the application. What should you do? （）
单项选择题 You develop a Web application that contains two master pages. You need to dynamically set the master page when a user views pages in the application. What should you do?（）
