21.3. Role-Based Security
The authentication examples you've examined so far provide an all-or-nothing approach that either forbids or allows a user. In many cases, however, an application needs to recognize different levels of users. Some users will be provided with a limited set of capabilities, and other users might be allowed to perform potentially dangerous changes or use the administrative portions of a website.
To allow this type of multitiered access, you need ASP.NET's role-based authorization feature. As with membership, ASP.NET takes care of storing the role information and making it available to your code. All you need to do is create the roles, assign users to each role, and then test for role membership in your code.
Before you ...