Dino Esposito的ASP.NET 4(2011)技术书籍指南

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《Programming Microsoft ASP.NET 4 (2011.3)》是由Dino Esposito撰写的专业书籍，由Microsoft Press出版。该书作为ASP.NET 4版本的编程指南，全面介绍了Microsoft的这一核心Web开发技术框架。ASP.NET 4是Microsoft在2011年推出的重要更新，旨在提供更高效、灵活的Web应用程序开发平台。本书涵盖了ASP.NET架构的基础，包括但不限于.NET Framework、Web Forms、MVC（Model-View-Controller）架构模式以及Entity Framework的数据访问模型。作者Dino Esposito以其深入浅出的风格，帮助读者理解并掌握如何利用ASP.NET 4进行Web应用程序的设计、开发和部署，包括服务器控件、路由、安全性和性能优化等内容。在版权方面，所有内容受到严格的保护，未经Microsoft Press的书面许可，禁止任何形式的复制或传播。此外，书中还提供了相关的版权信息，如Library of Congress Control Number和国际版本的获取方式，以及Microsoft的商标政策。对于想要进一步学习和提升ASP.NET技能的开发者来说，这本书是不可或缺的参考资料。它不仅介绍了基础知识，还包含了许多实际项目中的最佳实践和案例分析，使读者能够将理论知识转化为实际的编程能力。通过阅读此书，读者可以了解到如何构建稳定、可扩展的Web应用，适应不断变化的互联网环境。在示例部分，作者展示了各种公司、组织、产品和域名，这些都是为了帮助读者更好地理解和应用所学知识于真实世界的项目中。同时，书中也鼓励读者参与社区讨论和反馈，以便持续改进和学习。《Programming Microsoft ASP.NET 4 (2011.3)》是一本深入解析ASP.NET 4技术特性和开发技巧的专业书籍，适合系统开发人员、Web开发者和对.NET框架感兴趣的读者阅读，是提升ASP.NET开发技能的实用教材。

Table of Contents xv

Making ASP.NET Pages Cacheable . . . . . . . . . . . . . . . . . . . . . . . . . . . . 758

The HttpCachePolicy Class

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 763

Caching Multiple Versions of a Page

. . . . . . . . . . . . . . . . . . . . . . . . . . . 765

Caching Portions of ASP.NET Pages

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 768

Advanced Caching Features

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 774

Summary

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 777

19 ASP.NET Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 779

Where the Threats Come From . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 779

The ASP.NET Security Context

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 781

Who Really Runs My ASP.NET Application?

. . . . . . . . . . . . . . . . . . . . . 781

Changing the Identity of the ASP.NET Process

. . . . . . . . . . . . . . . . . . 784

The Trust Level of ASP.NET Applications

. . . . . . . . . . . . . . . . . . . . . . . . 786

ASP.NET Authentication Methods

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 789

Using Forms Authentication

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 791

Forms Authentication Control Flow

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 792

The FormsAuthentication Class

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 796

Conguration of Forms Authentication

. . . . . . . . . . . . . . . . . . . . . . . . 798

Advanced Forms Authentication Features

. . . . . . . . . . . . . . . . . . . . . . 801

The Membership and Role Management API

. . . . . . . . . . . . . . . . . . . . . . . . 806

The Membership Class

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 807

The Membership Provider

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 812

Managing Roles

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 817

Quick Tour of Claims-Based Identity

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 821

Claims-Based Identity

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 822

Using Claims in ASP.NET Applications

. . . . . . . . . . . . . . . . . . . . . . . . . 824

Security-Related Controls

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 825

The Login Control

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 826

The LoginName Control

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 828

The LoginStatus Control

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 829

The LoginView Control

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 830

The PasswordRecovery Control

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 832

The ChangePassword Control

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 833

The CreateUserWizard Control

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 834

Summary

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 835

xvi Table of Contents

Part V The Client Side

20 Ajax Programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 839

The Ajax Infrastructure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 840

The Hidden Engine of Ajax

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 840

JavaScript and Ajax

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 845

Partial Rendering in ASP.NET

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 851

The ScriptManager Control

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 852

The UpdatePanel Control

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 860

Considerations Regarding Partial Rendering

. . . . . . . . . . . . . . . . . . . . . . . . . 865

Conguring for Conditional Refresh

. . . . . . . . . . . . . . . . . . . . . . . . . . . 866

Giving Feedback to the User

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 870

The Ins and Outs of Partial Rendering

. . . . . . . . . . . . . . . . . . . . . . . . . . 876

REST and Ajax

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 879

Scriptable Services

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 880

JSON Payloads

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 890

JavaScript Client Code

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 893

Summary

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 897

21 jQuery Programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 899

Power to the Client . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 899

Programming within the Browser

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 900

The Gist of jQuery

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 903

Working with jQuery

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 905

Detecting DOM Readiness

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 906

Wrapped Sets

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 908

Operating on a Wrapped Set

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 915

Manipulating the DOM

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 920

The jQuery Cache

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 923

Ajax Capabilities

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 925

Cross-Domain Calls

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 929

Summary

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 932

Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 933

Microsoft is interested in hearing your feedback so we can continually improve our books and learning

resources for you. To participate in a brief online survey, please visit:

www.microsoft.com/learning/booksurvey/

What do you think of this book? We want to hear from you!

xvii

Acknowledgments

As is usual for a book, the cover of this book shows only the name of the author, but in no

way can an author produce a book all alone. In fact, a large ensemble of people made this

book happen. First, I want to thank Devon Musgrave for developing the idea and scheduling

new books for me to author at an amazingly quick pace for the next two years!

Next comes Roger LeBlanc

, whom I’ve had the pleasure to have as a copy editor on previous

books of mine—including the rst edition of this Programming ASP.NET book (Microsoft

Press, 2003). This time, Roger assisted me almost every day—not just as the copy editor,

but also as the development manager. I dare to say that as my English gets a little bit better

every year, the amount of copy editing required does not amount to much for a diligent

editor like Roger. So he decided to take on extra tasks.

In the middle of this project, I had to take a short break to have back surgery. The surgery

increased the number of lengths I could swim and improved my tennis game, especially

the penetration of my rst serve and my top-spin backhand, but it put a temporary stop to

my progress on the book. As a result, Roger and I had to work very hard to get the book

completed on a very tight schedule.

Steve Sagman handled the production end of the book—things like layout, art, indexing,

proofreading, prepping les for printing, as well as the overall project management. Here,

too, the tight schedule required a greater effort than usual. Steve put in long days as well as

weekends to keep everything on track and to ensure this edition equals or exceeds the high

standards of previous editions.

Scott Galloway took the responsibility of ensuring that this book contains no huge technical

mistakes or silly statements. As a technical reviewer, Scott provided me with valuable insights,

especially about the rationale of some design decisions in ASP.NET. Likewise, he helped me

understand the growing importance JavaScript (and unobtrusive JavaScript) has today for

Web developers. Finally, Scott woke me up to the benets of Twitter, as tweeting was often

the quickest way to get advice or reply to him.

To all of you, I owe a monumental “Thank you” for being so kind, patient, and accurate.

Working with you is a privilege and a pleasure, and it makes me a better author each time.

And I still have a long line of books to author.

My nal words are for Silvia, Francesco, and Michela, who wait for me and keep me busy.

But I’m happy only when I’m busy.

—Dino

xix

Introduction

In the fall of 2004, at a popular software conference I realized how all major component

vendors were advertising their ASP.NET products using a new word—Ajax. Only a few weeks

later, a brand new module in my popular ASP.NET master class made its debut—using Ajax

to improve the user experience. At its core, Ajax is a little thing and fairly old too—as I

presented the engine of it (XmlHttpRequest) to a C++ audience at TechEd 2000, only four

weeks before the public announcement of the .NET platform.

As emphatic as it may sound, that crazy little thing called Ajax changed the way we approach

Web development. Ajax triggered a chain reaction in the world of the Web. Ajax truly repre-

sents paradigm shift for Web applications. And, as the history of science proves, a paradigm

shift always has a deep impact, especially in scenarios that were previously stable and con-

solidated. We are now really close to the day we will be able to say “the Web” without feeling

the need to specify whether it contains Ajax or not. Just the Web—which has a rich client

component, a made-to-measure layer of HTTP endpoints to call, and interchangeable styles.

Like it or not, the more we take the Ajax route, the more we move away from ASP.NET

Web Forms. In the end, it’s just like getting older. Until recently, Web Forms was a fantastic

platform for Web development. The Web, however, is now going in a direction that Web

Forms can’t serve in the same stellar manner.

No, you didn’t pick up the wrong book, and you also did not pick up the wrong technology

for your project.

It’s not yet time to cease ASP.NET Web Forms development. However, it’s already time for

you to pay a lot more attention to aspects of Web development that Web Forms specically

and deliberately shielded you from for a decade—CSS, JavaScript, and HTML markup.

In my ASP.NET master class, I have a lab in which I rst show how to display a data-bound

grid of records with cells that trigger an Ajax call if clicked. I do that in exactly the way one

would do it—as an ASP.NET developer. Next, I challenge attendees to rewrite it without inline

script and style settings. And yes—a bit perversely—I also tell anyone who knows jQuery

not to use it. The result is usually a thoughtful and insightful experience, and the code I

come up with gets better every time. ASP.NET Web Forms is not dead, no matter what

ASP.NET MVC—the twin technology—can become. But it’s showing signs of age. As a

developer, you need to recognize that and revive it through robust injections of patterns,

JavaScript and jQuery code, and Ajax features.

In this book, I left out some of the classic topics you found in earlier versions, such as

ADO.NET and even LINQ-to-SQL. I also reduced the number of pages devoted to controls.

I brought in more coverage of ASP.NET underpinnings, ASP.NET conguration, jQuery, and

patterns and design principles. Frankly, not a lot has changed in ASP.NET since version 2.0.

剩余992页未读，继续阅读

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