ASP.NET 3.5 实战解析

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"ASP.NET揭秘——深入理解动态网页制作技术" ASP.NET是Microsoft开发的一个用于构建Web应用程序的框架，它基于.NET Framework，旨在提供一个高效、易于使用的环境来创建交互式的、数据驱动的Web应用程序。ASP.NET3.5是该框架的一个重要版本，引入了许多新特性和改进，使得开发者能够更有效地构建动态网页。本书《ASP.NET3.5 Unleashed》由Stephen Walther撰写，详细阐述了ASP.NET3.5的核心概念和技术。作者通过实例揭秘的方式，帮助初学者和有经验的开发者深入了解ASP.NET的工作原理和实践技巧。在ASP.NET3.5中，最重要的更新之一是引入了LINQ（Language Integrated Query，语言集成查询），这是一项革命性的技术，允许开发者使用自然的、类似SQL的语法在各种数据源上执行查询。此外，ASP.NET3.5还加强了对AJAX的支持，通过ASP.NET AJAX控件工具包，开发者可以轻松实现页面的部分刷新，提高用户体验。书中涵盖了诸如控件、事件模型、数据绑定、状态管理、用户验证、缓存策略、部署和性能优化等多个关键主题。ASP.NET的页面生命周期和控件生命周期是理解框架工作方式的基础，书中对此进行了详细讲解。同时，作者还讨论了如何使用Master Pages和Themes来实现页面的统一布局和样式控制，以及如何利用ASP.NET MVC模式进行更灵活的应用程序开发。另外，书中还涉及到Web服务、安全性和身份验证机制，包括Windows身份验证、Forms身份验证以及角色管理，这些都是构建安全Web应用不可或缺的部分。对于数据库操作，ASP.NET3.5提供了Entity Framework，这是一个ORM（对象关系映射）工具，使得开发者可以更方便地与数据库进行交互。总而言之，《ASP.NET3.5 Unleashed》是一本全面且深入的指南，适合所有想要掌握ASP.NET动态网页制作技术的读者。通过阅读本书，你可以了解到如何利用ASP.NET3.5的强大功能，创建出高效、可维护的Web应用程序。

20 Using Site Maps 1041

Using the SiteMapDataSource Control

............................................1042

Setting SiteMapDataSource Properties

.....................................1044

Using the SiteMap Class

...............................................................1048

Using the SiteMapNode Class

................................................1051

Advanced Site Map Configuration

.................................................1053

Using Security Trimming

......................................................1054

Merging Multiple Site Maps

..................................................1058

Creating Custom Site Map Attributes

......................................1060

Creating Custom Site Map Providers

..............................................1063

Creating the AutoSiteMapProvider

.........................................1063

Creating the SqlSiteMapProvider

...........................................1068

Generating a Google SiteMap File

..................................................1074

Summary

..................................................................................1078

21 Advanced Navigation 1081

Remapping URLs

........................................................................1081

Creating a Custom UrlRemapper Module

................................1084

Using the VirtualPathProvider Class

...............................................1090

Limitations of the VirtualPathProvider Class

............................1091

Understanding the VirtualPathProvider Class

...........................1091

Registering a VirtualPathProvider Class

...................................1093

Storing a Website in Microsoft SQL Server

...............................1094

Summary

..................................................................................1100

Part VI Security

22 Using the Login Controls 1103

Overview of the Login Controls

....................................................1104

Using the Login Control

..............................................................1108

Automatically Redirecting a User to the Referring Page

..............1111

Automatically Hiding the Login Control from

Authenticated Users

..........................................................1111

Using a Template with the Login Control

................................1114

Performing Custom Authentication with the Login Control

.......1116

Using the CreateUserWizard Control

..............................................1118

Configuring Create User Form Fields

......................................1120

Sending a Create User Email Message

.....................................1122

Automatically Redirecting a User to the Referring Page

..............1126

Automatically Generating a Password

.....................................1128

Using Templates with the CreateUserWizard Control

................1134

Adding Steps to the CreateUserWizard Control

........................1137

Contents

Using the LoginStatus Control ......................................................1139

Using the LoginName Control

......................................................1141

Using the ChangePassword Control

...............................................1143

Sending a Change Password Email

.........................................1144

Using Templates with the ChangePassword Control

..................1146

Using the PasswordRecovery Control

.............................................1149

Sending the Original Password

..............................................1151

Requiring a Security Question and Answer

..............................1152

Using Templates with the PasswordRecovery Control

................1153

Using the LoginView Control

.......................................................1156

Using Roles with the LoginView Control

.................................1158

Summary

..................................................................................1160

23 Using ASP.NET Membership 1161

Configuring Authentication

.........................................................1162

Configuring Forms Authentication

.........................................1163

Using Cookieless Forms Authentication

..................................1164

Using Sliding Expiration with Forms Authentication

.................1166

Using Forms Authentication Across Applications

......................1166

Using Forms Authentication Across Domains

...........................1170

Using the FormsAuthentication Class

.....................................1172

Using the User Class

............................................................1176

Configuring Authorization

...........................................................1177

Authorizing by Role

............................................................1179

Authorizing Files by Location

................................................1179

Using Authorization with Images and Other File Types

.............1180

Using Authorization with ASP Classic Pages

.............................1182

Using ASP.NET Membership

.........................................................1183

Using the Membership Application Programming Interface

........1184

Encrypting and Hashing User Passwords

.................................1189

Modifying User Password Requirements

..................................1191

Locking Out Bad Users

.........................................................1192

Configuring the SQLMembershipProvider

...............................1194

Configuring the ActiveDirectoryMembershipProvider

...............1196

Creating a Custom Membership Provider

................................1201

Using the Role Manager

...............................................................1203

Configuring the SqlRoleProvider

............................................1203

Configuring the WindowsTokenRoleProvider

...........................1208

Configuring the AuthorizationStoreRoleProvider

......................1210

Caching Roles in a Browser Cookie

........................................1213

Using the Roles Application Programming Interface

..................1214

Summary

..................................................................................1217

ASP.NET 3.5 Unleashed

xvi

Part VII Building ASP.NET Applications

24 Maintaining Application State 1221

Using Browser Cookies

................................................................1222

Cookie Security Restrictions

..................................................1223

Creating Cookies

................................................................1224

Reading Cookies

.................................................................1227

Setting Cookie Properties

......................................................1230

Deleting Cookies

.................................................................1231

Working with Multivalued Cookies

........................................1233

Using Session State

......................................................................1237

Storing Database Data in Session State

....................................1239

Using the Session Object

......................................................1241

Handling Session Events

......................................................1242

Controlling When a Session Times Out

..................................1245

Using Cookieless Session State

...............................................1246

Configuring a Session State Store

...........................................1248

Configuring SQL Server Session State

......................................1251

Using Profiles

.............................................................................1254

Creating Profile Groups

........................................................1258

Supporting Anonymous Users

...............................................1260

Migrating Anonymous Profiles

..............................................1263

Inheriting a Profile from a Custom Class

.................................1264

Creating Complex Profile Properties

.......................................1266

Saving Profiles Automatically

................................................1273

Accessing Profiles from Components

......................................1277

Using the Profile Manager

....................................................1279

Configuring the Profile Provider

............................................1281

Creating a Custom Profile Provider

........................................1283

Summary

..................................................................................1288

25 Caching Application Pages and Data 1289

Overview of Caching

...................................................................1289

Using Page Output Caching

..........................................................1291

Varying the Output Cache by Parameter

.................................1292

Varying the Output Cache by Control

....................................1296

Varying the Output Cache by Header

.....................................1298

Varying the Output Cache by Browser

....................................1299

Varying the Output Cache by a Custom Function

....................1300

Specifying the Cache Location

..............................................1302

Creating a Page Output Cache File Dependency

.......................1304

Expiring the Page Output Cache Programmatically

...................1306

Contents

xvii

Manipulating the Page Output Cache Programmatically ............1311

Creating Page Output Cache Profiles

......................................1313

Using Partial Page Caching

...........................................................1314

Using Post-Cache Substitution

...............................................1315

Caching with a User Control

................................................1318

Sharing a User Control Output Cache

.....................................1322

Manipulating a User Control Cache Programmatically

..............1323

Creating a User Control Cache File Dependency

......................1324

Caching Dynamically Loaded User Controls

............................1325

Using DataSource Caching

...........................................................1327

Using an Absolute Cache Expiration Policy

.............................1328

Using a Sliding Cache Expiration Policy

..................................1330

Caching with the ObjectDataSource Control

...........................1332

Caching with the XmlDataSource Control

..............................1334

Creating a DataSource Control Key Dependency

......................1335

Using Data Caching

....................................................................1339

Using the Cache Application Programming Interface

................1339

Adding Items to the Cache

...................................................1341

Adding Items with an Absolute Expiration Policy

.....................1342

Adding Items with a Sliding Expiration Policy

.........................1344

Adding Items with Dependencies

...........................................1346

Specifying Cache Item Priorities

............................................1348

Configuring the Cache

.........................................................1348

Using SQL Cache Dependencies

....................................................1350

Using Polling SQL Cache Dependencies

..................................1351

Configuring Polling SQL Cache Dependencies

.........................1352

Using Polling SQL Cache Dependencies with Page

Output Caching

................................................................1354

Using Polling SQL Cache Dependencies with

DataSource Caching

..........................................................1356

Using Polling SQL Cache Dependencies with Data Caching

.......1357

Using Push SQL Cache Dependencies

.....................................1359

Configuring Push SQL Cache Dependencies

............................1360

Using Push SQL Cache Dependencies with Page

Output Caching

................................................................1362

Using Push SQL Cache Dependencies with Data

Source Caching

.................................................................1364

Using Push SQL Cache Dependencies with Data Caching

..........1366

Summary

..................................................................................1368

ASP.NET 3.5 Unleashed

xviii

26 Localizing Applications for Multiple Languages 1369

Setting the Current Culture

..........................................................1370

Setting a Culture Manually

...................................................1371

Automatically Detecting a Culture

.........................................1378

Setting the Culture in the Web Configuration File

....................1382

Culture and ASP.NET Controls

..............................................1383

Using the CultureInfo Class

..........................................................1384

Using the CultureInfo Class to Format String Values

.................1384

Comparing and Sorting String Values

.....................................1386

Creating Local Resources

..............................................................1388

Explicit Localization Expressions

...........................................1388

Implicit Localization Expressions

...........................................1391

Using Local Resources with Page Properties

.............................1393

Retrieving Local Resources Programmatically

...........................1394

Creating Global Resources

............................................................1397

Retrieving Global Resources Programmatically

.........................1399

Using Strongly Typed Localization Expressions

........................1400

Using the Localize Control

...........................................................1401

Summary

..................................................................................1402

27 Working with the HTTP Runtime 1403

Creating a Custom BuildProvider

..................................................1404

Creating a Simple BuildProvider

............................................1404

Creating a Data Access Component BuildProvider

....................1408

Creating a Custom ExpressionBuilder

.............................................1415

Creating a Lookup ExpressionBuilder

.....................................1416

Creating HTTP Handlers

..............................................................1420

Creating a Generic Handler

..................................................1420

Implementing the IHttpHandler Interface

...............................1423

Registering Extensions with Internet Information Server

............1428

Creating an Asynchronous HTTP Handler

...............................1430

Working with HTTP Applications and HTTP Modules

.......................1435

Creating a Global.asax File

...................................................1435

Creating Custom HTTP Modules

............................................1439

Summary

..................................................................................1441

28 Configuring Applications 1443

Overview of Website Configuration

...............................................1443

Using the Web Site Administration Tool

.................................1445

Using the ASP.NET Microsoft Management Console Snap-In

......1446

ASP.NET Configuration Sections

............................................1447

Contents

xix

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