单项选择题

You create a Web site that is for members only. The Web……

You create a Web site that is for members only. The Web site allows members to create lists of users that have access to information about member profiles. The name of the list is stored in the listName variable. The user name of the user to whom access is given is stored in the username variable.You need to enable members to manage their lists of users.
Which code segment should you use?（）

A.
B.
C.
D.

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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?（）

A.
B.
C.
D.

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? （）

A. Set Page.MasterPageFile in the Page's Page_Init event.
B. Set Page.MasterPageFile in the Page's OnInit override.
C. Set Page.MasterPageFile in the Page's Page_Load event.
D. Set Page.MasterPageFile in the Page's Page_PreInit event.

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?（）

A.SetPage.MasterPageFile in the Page’sPage_Initevent.
B.SetPage.MasterPageFile in the Page’sOnInit event.
C.SetPage.MasterPageFile in the Page’sPage_Loadevent.
D.SetPage.MasterPageFile in the Page’sPage_PreInitevent.

单项选择题You create a master page named PageBase.master. The master page contains a Label control named lblTitle. You create a content page that references the master page. You need to change the Text property of the master pages lblTitle control from the content page. Which code segment should you use?（）

A.
B.
C.
D.

单项选择题You have an SQL query that takes one minute to execute. You use the following code segment to execute the SQL query asynchronously. Dim ar As IAsyncResult = cmd.BeginExecuteReader() You need to execute a method named DoWork() that takes one second to run while the SQL query is executing. DoWork() must run as many times as possible while the SQL query is executing. Which code segment should you use?（）

A.
B.
C.
D.