You are creating an ASP.NET Web site. The site is configured to use Membership and Role management providers. You need to check whether the currently logged-on user is a member of a role namedAdministrators. Which code segment should you use?()
- A、bool isMember = Roles.GetUsersInRole("Administrators").Any()
- B、bool isMember = Membership.ValidateUser(User.Identity.Name, "Administrators")
- C、bool isMember = Roles.GetRolesForUser("Administrators").Any()
- D、bool isMember = User.IsInRole("Administrators")
正确答案:D
答案解析:有

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