ASP.NET 4.0入门教程：权威指南

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"ASP.NET 4.0 完整教程，权威技术指南，适合初学者" 在本书《 Beginning ASP.NET 4 in C# 2010》中，作者Matthew MacDonald详细介绍了ASP.NET 4.0框架的基础知识和核心技术，旨在帮助开发者开始构建ASP.NET网站的旅程。这本书专为那些希望深入理解ASP.NET 4.0的初学者设计，提供了丰富的实践指导和理论讲解。 ASP.NET 4.0是微软.NET Framework的一个重要组成部分，它为Web开发提供了一个强大的平台。此版本引入了许多新特性和改进，包括： 1. **增强的性能**：ASP.NET 4.0通过优化内部工作方式提升了运行时性能，减少了服务器资源的消耗，从而提高了网站的响应速度。 2. **更强大的MVC（Model-View-Controller）框架**：ASP.NET MVC 2与ASP.NET 4.0一起发布，提供了一种更清晰的分离关注点的方法，让开发者能更好地进行测试驱动开发（TDD）。 3. **Web Forms改进**：Web Forms是ASP.NET的核心部分，4.0版本对其进行了许多改进，如控件生命周期的简化、动态数据支持以及更灵活的页面布局。 4. **动态数据（Dynamic Data）**：ASP.NET 4.0引入了动态数据功能，允许快速创建数据驱动的网站，无需编写大量代码即可实现数据验证和UI绑定。 5. **简化部署**：引入了Web Deploy工具，使得部署ASP.NET应用程序变得更加简单和高效。 6. **配置管理**：ASP.NET 4.0的配置系统更加灵活，可以针对不同的环境设置不同的配置，便于在开发、测试和生产环境间切换。 7. **AJAX支持**：ASP.NET 4.0增强了AJAX功能，提供了更多的客户端库和更新的jQuery版本，使开发者能够轻松构建富交互式的Web应用。 8. **编程模型的增强**：包括更强的代码隐藏类，更灵活的页面生命周期，以及更方便的数据绑定机制，如Lambda表达式和LINQ支持。 9. **安全性改进**：增加了对ASP.NET请求验证、跨站脚本攻击（XSS）防护以及跨站请求伪造（CSRF）防护的支持。 10. **全球化与本地化**：ASP.NET 4.0在处理多语言和文化环境方面做了加强，让开发者更容易实现全球化应用。通过阅读本书，读者将逐步学习如何使用C#语言和ASP.NET 4.0框架来创建功能丰富的Web应用程序，包括如何设计用户界面、处理用户输入、实现数据访问和交互、优化性能以及确保应用程序的安全性。书中包含的实际示例和练习将帮助读者掌握理论知识并将其转化为实践经验。

■ CONTENTS

xiv

Applying Style Sheet Rules.................................................................................................................380

Themes ........................................................................................................................383

How Themes Work .............................................................................................................................383

Applying a Simple Theme...................................................................................................................385

Handling Theme Conflicts...................................................................................................................386

Creating Multiple Skins for the Same Control ....................................................................................388

More Advanced Skins.........................................................................................................................389

Master Page Basics .....................................................................................................391

A Simple Master Page and Content Page ...........................................................................................392

How Master Pages and Content Pages Are Connected ......................................................................396

A Master Page with Multiple Content Regions ...................................................................................398

Default Content...................................................................................................................................401

Master Pages and Relative Paths .......................................................................................................402

Advanced Master Pages ..............................................................................................403

Style-Based Layouts...........................................................................................................................403

Code in a Master Page........................................................................................................................408

Interacting with a Master Page Programmatically .............................................................................409

The Last Word..............................................................................................................410

■ Chapter 13: Website Navigation.......................................................................411

Site Maps.....................................................................................................................411

Defining a Site Map ............................................................................................................................412

Seeing a Simple Site Map in Action....................................................................................................416

Binding an Ordinary Page to a Site Map.............................................................................................416

Binding a Master Page to a Site Map .................................................................................................418

Binding Portions of a Site Map ...........................................................................................................420

The SiteMap Class ..............................................................................................................................425

URL Mapping and Routing ...........................................................................................427

URL Mapping ......................................................................................................................................428

URL Routing........................................................................................................................................428

■ CONTENTS

The SiteMapPath Control .............................................................................................430

Customizing the SiteMapPath ............................................................................................................431

Using SiteMapPath Styles and Templates..........................................................................................432

Adding Custom Site Map Information.................................................................................................434

The TreeView Control...................................................................................................435

TreeView Properties ...........................................................................................................................436

TreeView Styles ..................................................................................................................................438

The Menu Control ........................................................................................................442

Menu Styles........................................................................................................................................444

Menu Templates.................................................................................................................................445

The Last Word..............................................................................................................448

Part 4: Working with Data ....................................................................................449

■ Chapter 14: ADO.NET Fundamentals ................................................................451

Understanding Databases............................................................................................451

Configuring Your Database ..........................................................................................453

SQL Server Express ............................................................................................................................453

Browsing and Modifying Databases in Visual Studio .........................................................................454

The sqlcmd Command-Line Tool........................................................................................................457

SQL Basics...................................................................................................................458

Running Queries in Visual Studio .......................................................................................................459

The Select Statement .........................................................................................................................461

The SQL Update Statement.................................................................................................................463

The SQL Insert Statement...................................................................................................................465

The SQL Delete Statement..................................................................................................................465

The Data Provider Model .............................................................................................466

Direct Data Access ......................................................................................................467

Creating a Connection ........................................................................................................................469

The Select Command .........................................................................................................................475

The DataReader..................................................................................................................................476

■ CONTENTS

xvi

Putting It All Together.........................................................................................................................476

Updating Data.....................................................................................................................................481

Disconnected Data Access ..........................................................................................491

Selecting Disconnected Data..............................................................................................................492

Selecting Multiple Tables ...................................................................................................................494

Defining Relationships........................................................................................................................495

The Last Word..............................................................................................................498

■ Chapter 15: Data Binding .................................................................................499

Introducing Data Binding .............................................................................................499

Types of ASP.NET Data Binding..........................................................................................................500

How Data Binding Works....................................................................................................................500

Single-Value Data Binding ...........................................................................................500

A Simple Data Binding Example .........................................................................................................501

Simple Data Binding with Properties..................................................................................................504

Problems with Single-Value Data Binding..........................................................................................505

Using Code Instead of Simple Data Binding .......................................................................................506

Repeated-Value Data Binding......................................................................................506

Data Binding with Simple List Controls ..............................................................................................507

A Simple List Binding Example...........................................................................................................508

Strongly Typed Collections .................................................................................................................509

Multiple Binding..................................................................................................................................510

Data Binding with a Dictionary Collection ..........................................................................................512

Using the DataValueField Property .....................................................................................................513

Data Binding with ADO.NET ................................................................................................................514

Creating a Record Editor.....................................................................................................................516

Data Source Controls...................................................................................................521

The Page Life Cycle with Data Binding...............................................................................................523

The SqlDataSource .............................................................................................................................523

Selecting Records...............................................................................................................................525

Parameterized Commands .................................................................................................................527

■ CONTENTS

xvii

Handling Errors...................................................................................................................................532

Updating Records ...............................................................................................................................533

The Last Word..............................................................................................................537

■ Chapter 16: The Data Controls .........................................................................539

The GridView................................................................................................................539

Automatically Generating Columns ....................................................................................................540

Defining Columns ...............................................................................................................................542

Formatting the GridView..............................................................................................546

Formatting Fields................................................................................................................................546

Using Styles........................................................................................................................................547

Formatting-Specific Values ................................................................................................................550

Selecting a GridView Row............................................................................................552

Adding a Select Button .......................................................................................................................553

Using Selection to Create Master-Details Pages ................................................................................554

Editing with the GridView ............................................................................................556

Sorting and Paging the GridView.................................................................................559

Sorting ................................................................................................................................................559

Paging.................................................................................................................................................561

Using GridView Templates...........................................................................................563

Using Multiple Templates ...................................................................................................................565

Editing Templates in Visual Studio .....................................................................................................566

Handling Events in a Template ...........................................................................................................567

Editing with a Template......................................................................................................................568

The DetailsView and FormView ...................................................................................573

The DetailsView ..................................................................................................................................573

The FormView.....................................................................................................................................575

The Last Word..............................................................................................................578

■ Chapter 17: Files and Streams.........................................................................579

Files and Web Applications..........................................................................................579

■ CONTENTS

xviii

File System Information...............................................................................................580

The Path Class....................................................................................................................................581

The Directory and File Classes ...........................................................................................................582

The DirectoryInfo and FileInfo Classes ...............................................................................................587

The DriveInfo Class.............................................................................................................................589

A Sample File Browser .......................................................................................................................590

Reading and Writing with Streams..............................................................................594

Text Files ............................................................................................................................................594

Binary Files.........................................................................................................................................596

Shortcuts for Reading and Writing Files.............................................................................................597

A Simple Guest Book ..........................................................................................................................598

Allowing File Uploads ..................................................................................................604

The FileUpload Control .......................................................................................................................604

The Last Word..............................................................................................................607

■ Chapter 18: XML...............................................................................................609

XML Explained .............................................................................................................609

Improving the List with XML...............................................................................................................611

XML Basics .........................................................................................................................................612

Attributes............................................................................................................................................613

Comments ..........................................................................................................................................614

The XML Classes..........................................................................................................615

The XML TextWriter ............................................................................................................................615

The XML Text Reader..........................................................................................................................618

Working with XML Documents in Memory .........................................................................................623

Reading an XML Document ................................................................................................................628

Searching an XML Document .............................................................................................................631

XML Validation.............................................................................................................632

XML Namespaces ...............................................................................................................................632

XML Schema Definition ......................................................................................................................635

Validating an XML Document..............................................................................................................637

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