TAILIEUCHUNG - Professional ASP.NET 3.5 in C# and Visual Basic Part 81

Professional in C# and Visual Basic Part 81. Building on the revolutionary release, adds several key new developer features including AJAX, LINQ, and a new CSS designer in Visual Web Developer 2008. The dramatic reduction in code that developers realized from the more than 50 new server controls in now allows developers the time to make their applications more interactive with AJAX, to work with data in their preferred language with LINQ, and to build visually attractive and consistent standards-based sites with CSS. . | Membership and Role Management The authentication and authorization of users are important functions in many Web sites and browser-based applications. Traditionally when working with Microsoft s Windows Forms applications thick-client you depended on Windows Integrated Authentication when working with browser-based applications thin-client you used forms authentication. Forms authentication enabled you to take requests that were not yet authenticated and redirect them to an HTML form using HTTP client-side redirection. The user provided his login information and submitted the form. After the application authenticated the request the user received an HTTP cookie which was then used on any subsequent requests. This kind of authentication was fine in many ways but it required developers to build every element and even manage the back-end mechanics of the overall system. This was a daunting task for many developers and in most cases it was rather time-consuming. includes an authentication and authorization management service that takes care of the login authentication authorization and management of users who require access to your Web pages or applications. This outstanding membership and role management service is an easy-to-implement framework that works out of the box using Microsoft SQL Server as the back-end data store. This framework also includes an API that allows for programmatic access to the capabilities of both the membership and role management services. In addition a number of membership and role management-focused server controls make it easy to create Web applications that incorporate everything these services have to offer. Before you look at the membership and role management features of here s a quick review of authentication and authorization. This is vital to understand before proceeding. Chapter 16 Membership and Role Management Authentication Authentication is a process that determines the identity of a user. After a user

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