ADO.NET深度探索：.NET框架下的高效数据库连接与应用

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《ADO.NET高级编程》是一本深入探讨Microsoft在.NET框架下数据库连接技术的权威指南。本书涵盖了ADO.NET的核心概念与高级实践，旨在帮助读者充分利用ADO.NET进行高效、安全的数据访问和处理。该书共分为18章，从基础入门到高级应用，全面解析了ADO.NET的工作原理和关键特性。第1章介绍了.NET框架背景，强调了ADO.NET在.NET平台中的重要角色，包括其数据访问能力对整个系统架构的影响。第2章详述.NET数据提供程序，这些是与特定数据库交互的桥梁，如ODBC、OleDb、Odbc and ODP.NET等，让开发者能够无缝连接到各种数据库源。在第3章，作者讲解了Visual Studio.NET与ADO.NET的集成，展示了如何在开发环境中设置和管理数据连接，以及利用Visual Studio的强大功能进行调试和设计。第4至第6章深入剖析了DataReader、DataSet和DataAdapter的使用，这些都是ADO.NET数据操作的核心组件。DataReader用于逐行读取数据，DataSet用于存储和管理关系型数据，而DataAdapter则负责数据的填充、更新和删除操作。第7章和第8章讨论了TypedDataSets和DataSet Schemas，强调了类型安全和元数据的重要性，以及如何将数据转换为XML格式，增强了数据交换的灵活性。第9章至第10章分别介绍了约束、关系和视图的使用，以及事务管理，确保数据的一致性和完整性。第11章讲解了数据映射，帮助开发者将数据库结构映射到.NET对象，提高代码的可读性和维护性。第12章展示了如何构建基于ADO.NET的数据服务组件，以便于Web应用程序和其他组件共享数据。第13章重点关注ADO.NET与Web Services的结合，以及SQL Server的原生XML支持。后续章节，如第14章的性能优化和第15章的安全性措施，对生产环境中的实际应用提供了指导。第16章涉及集成和迁移策略，确保旧系统平滑过渡到ADO.NET。最后一章，第17章，甚至介绍了如何创建自定义.NET数据提供程序，以适应特殊需求。本书不仅理论深厚，还包含了一个真实的案例研究（第18章），以Cycle Couriers公司为例，展示了ADO.NET在实际项目中的应用。附录部分提供了索引和表目录，便于读者查找和参考。《ADO.NET高级编程》是一本不可多得的资源，无论是初学者还是经验丰富的开发人员，都能从中获得宝贵的知识和技能提升。

Table of Contents

xiv

Introduction

Chapter 3 moves on to delving into Visual Studio .NET and how this graphical user interface makes using

ADO.NET intuitive and easy to handle. The chapter includes a number of examples to demonstrate the

principles learned.

Now that we are a little more comfortable with ADO.NET, we can begin to delve deeper into the specifics of

the technology. Chapter 4 looks at the DataReader: what it is, why you would use it and also how you

would use it in a number of situations. This in-depth look continues in Chapter 5, where we learn about the

DataSet, while Chapter 6 introduces and explores the DataAdapter.

Chapter 7 takes a closer look at the DataSet, which enables us to work with data while disconnected from the

data source; this includes an introduction to how the XML Schema Definition (XSD) language is useful when

manipulating DataSets. This leads us nicely into Chapter 8, where we explore the use of XML with the

DataSet, covering various issues such as data marshalling and data filtering, amongst others.

Chapter 9 continues the look at the DataSet by examining constraints, relations and views, all of which

influence the way that data is presented and manipulated. The chapter introduces the DataView and includes

some examples.

Chapter 10 moves on to look at the topic of transactions, an important item in the business world where either

all the operations must succeed, or all of them must fail. The chapter examines, amongst other things, isolation

levels and their impact, performance, and advanced techniques.

The concept of mapping is explored in Chapter 11: this is where we can give our own names to unintuitive

column headings in order to understand the material better.

Chapter 12 looks at creating our own Data Services component: the benefits, the creation and deployment,

and using it once it exists. The chapter also looks at tips for better performance of data service components.

This leads well into Chapter 13, where we look at ADO.NET and Web Services, in particular exchanging data,

using XML, and security.

Chapter 14 looks again at the issue of XML, this time showing how SQL Server 2000 has native support for

this cross-platform standard of data retrieval. The chapter is example-based, showing all the native XML

options at every step.

Chapter 15 moves off into the more theoretical realm of performance and security. Both are important

considerations if we will be dealing with thousands of data access demands every minute. The chapter covers

many ways to increase performance and tighten security.

Chapter 16 discusses integration and migration, particularly accessing ADO from .NET and how to handle the

migration from ADO to ADO.NET.

Chapter 17 allows us to create our own custom .NET data provider. It goes through the whole process: why

we need our own provider, the architecture and design, and the actual implementation. The chapter also shows

a number of ways that we can utilize our custom provider. The same method is employed by Chapter 18,

which finishes the book by building a case study that uses ADO.NET in the middle layer of a multi-tier system

that tracks packages for a fictional inner city bicycle courier company.

Introduction

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Customer Support

We always value hearing from our readers, and we want to know what you think about this book: what you

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Errata

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