Microsoft ADO.NET (Core Reference)

David Sceppa

Microsoft ADO.NET (Core Reference)
  • 出版商: MicroSoft
  • 出版日期: 2002-06-15
  • 售價: $2,320
  • 貴賓價: 9.5 折 $2,204
  • 語言: 英文
  • 頁數: 736
  • 裝訂: Hardcover
  • ISBN: 0735614237
  • ISBN-13: 9780735614239
  • 相關分類: .NET

    • 已過版

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Description:

The definitive guide to using Microsoft Visual C#™ .NET to develop stand-alone applications for Microsoft Windows and Web-enabled Microsoft .NET applications

Microsoft ActiveX® Data Objects .NET (ADO.NET) is a set of libraries included with the Microsoft .NET Framework that helps you communicate with data from .NET-based applications—including XML data. Discover how to access, sort, and manipulate data in Web-enabled enterprise applications with this book. You’ll get expert guidance and insider tips from a leading database and ADO authority about how to write, test, and debug database code with the tools and wizards in Visual Studio .NET. You’ll also learn about the improved ADO.NET object model, its XML features for Web extensibility, its enhanced integration with Microsoft SQL Server™ 2000, and more. Topics covered in this guide include:

• Overview of ADO.NET
• Building applications with the Data Form Wizard
• Connecting to your database
• Querying your database
• Working with DataAdapters
• Storing data in DataSets
• Filtering and searching data in DataSets
• Working with relational data
• Submitting updates to your database
• Advanced updating scenarios
• Using strongly typed DataSets
• Interacting with XML data
• Building effective Windows® database applications
• Building effective Web database applications

INCLUDED ON CD-ROM:
• A fully searchable electronic copy of the book
• Sample code in C# and Microsoft Visual Basic® .NET (also available from the link on this page)

 

Table of Contents:

Acknowledgments xvii
    Introduction xix
PART I   GETTING STARTED WITH MICROSOFT ADO.NET  
1   Overview of ADO.NET 3
    Why a New Object Model? 3
    The ADO.NET Object Model 5
        .NET Data Providers 6
        Why Use Separate Classes and Libraries? 8
        Coverage of .NET Data Providers in This Book 10
        Connected Objects 10
        Disconnected Objects 13
        Metadata 20
        Strongly Typed DataSet Objects 21
    Questions That Should Be Asked More Frequently 23
2   Building ADO.NET Applications with the DataForm Wizard 25
    Everyone Loves a Demo 25
    Using the Data Form Wizard to Build a Data-Bound Form 26
        Choosing a Connection 29
        Selecting Tables from Your Database 32
        Creating Relationships in Your DataSet 32
        Selecting Columns to Display 33
        Choosing a Display Style 34
    Using the New Data-Bound Form 35
        Showing Data in Your New Data-Bound Form 37
        Cascading Changes with the DataRelation Object 38
        Submitting Changes to Your Database 39
        The Component Tray 43
    The Data Form Wizard as a Starting Point 45
    Questions That Should Be Asked More Frequently 45
PART II   GETTING CONNECTED: USING A .NET DATA PROVIDER  
3   Connecting to Your Database 49
    Using Connection Objects 50
        Creating Connection Objects 54
        Connection Strings 55
        Opening and Closing Connections 60
        Connection Pooling 61
        Destroying Connections 65
        Using Connections to Create Other Objects 65
        Retrieving Database Schema Information 68
    Visual Studio .NET Design-Time Features 70
        Working with Connections in Server Explorer 70
        Adding a Data Connection to Server Explorer 72
        Adding Connections to Your Application 75
        Using the New Connection at Run Time 77
        Where's the Code? 78
    OleDbConnection Object Reference 79
        Properties of the OleDbConnection Object 80
        Methods of the OleDbConnection Object 84
        Events of the OleDbConnection Object 90
    Questions That Should Be Asked More Frequently 94
4   Querying Your Database 97
    Using Command Objects in Code 97
        Creating a Command Object 97
        Executing a Non-Row-Returning Query 98
        Using a DataReader Object to Examine the Results of a Query 101
        Executing a Query That Returns a Single Value 110
        Executing a Parameterized Query 111
        Calling a Stored Procedure 113
        Retrieving Data from Output Parameters 115
        Executing a Query Within a Transaction 117
    Creating Commands in Visual Studio .NET 118
        Dragging and Dropping from the Toolbox 118
        Specifying a Connection 119
        Using Query Builder 120
        Using Your New Command Object in Code 122
        Dragging and Dropping from Server Explorer 124
    Command, DataReader, and Parameter Object Reference 125
        Properties of the OleDbCommand Object 126
        Methods of the OleDbCommand Object 129
        Properties of the OleDbDataReader Object 134
        Methods of the OleDbDataReader Object 135
        Creating Parameter Objects 141
        Properties of the OleDbParameter Object 141
    Questions That Should Be Asked More Frequently 145
5   Retrieving Data Using DataAdapter Objects 157
    What Is a DataAdapter Object? 158
        How the DataAdapter Differs from Other Query Objects 158
        Anatomy of the DataAdapter 161
    Creating and Using DataAdapter Objects 164
        Creating a DataAdapter 164
        Retrieving Results from a Query 166
        Mapping the Results of Your Query to Your DataSet 172
        Working with Batch Queries 174
        Retrieving Rows from a Stored Procedure 175
        Fetching Schema Information 176
    Creating DataAdapter Objects in Visual Studio .NET 177
        Dragging and Dropping a DataAdapter from the Toolbox 178
        Using the Data Adapter Configuration Wizard 178
        Dragging and Dropping from Server Explorer 183
        Previewing the Results of Your DataAdapter 184
        Examining the Code that the Wizard Generated 185
    DataAdapter Reference 185
        Properties of the DataAdapter Object 185
        Methods of the DataAdapter Object 191
        Events of the DataAdapter Object 198
    Questions That Should Be Asked More Frequently 201
PART III   WORKING WITH DATA OFF LINE—THE ADO.NET DATASET  
6   Working with DataSet Objects 205
    Features of the DataSet Object 205
        Working with Disconnected Data 206
        Scrolling, Sorting, Searching, and Filtering 206
        Working with Hierarchical Data 206
        Caching Changes 207
        XML Integration 207
        Uniform Functionality 207
    Using DataSet Objects 208
        Creating a DataSet Object 208
        Examining the Structure Created by Calling DataAdapter.Fill 209
        Examining the Data Returned by a DataAdapter 211
        Validating Data in Your DataSet 214
        Creating DataTable Objects in Code 219
        Modifying the Contents of a DataTable 235
    Working with DataSet Objects in Visual Studio .NET 247
        Generating a DataSet from DataAdapter Objects 247
        Creating a New DataSet from Scratch 250
        Creating an Untyped DataSet 254
    DataSet, DataTable, DataColumn, DataRow, UniqueConstraint, and ForeignKeyConstraint Object Reference 258
        Properties of the DataSet Object 258
        Methods of the DataSet Object 263
        Events of the DataSet Object 267
        Properties of the DataTable Object 267
        Methods of the DataTable Object 272
        Events of the DataTable Object 277
        Properties of the DataColumn Object 278
        Properties of the DataRow Object 285
        Methods of the DataRow Object 286
        Properties of the UniqueConstraint Object 293
        Properties of the ForeignKeyConstraint Object 294
    Questions That Should Be Asked More Frequently 296
7   Working with Relational Data 299
    A Brief Overview of Relational Data Access 300
        Join Queries 300
        Separate Queries 302
        Hierarchical ADO Recordset Objects 302
        ADO.NET DataRelation Objects 303
    Working with DataRelation Objects in Code 304
        Creating DataRelation Objects 305
        Locating Related Data 308
        Using DataRelation Objects to Validate Your Data 311
        Self-Referencing DataRelationship Objects 315
        Many-to-Many Relationships 317
        Using DataRelation Objects in Expression-Based DataColumn Objects 320
        Cascading Changes 323
        Moving Away from Join Queries 325
    Creating DataRelation Objects in Visual Studio .NET 325
        Adding a DataRelation to a Strongly Typed DataSet 325
        Adding a DataRelation to an Untyped DataSet 327
    DataRelation Object Reference 328
        Properties of the DataRelation Object 328
    Questions That Should Be Asked More Frequently 332
8   Sorting, Searching, and Filtering 337
    Using the DataTable Object's Searching and Filtering Features 337
        Locating a Row by Its Primary Key Values 337
        Conducting More Dynamic Searches 340
        Conducting Wildcard Searches 341
        Working with Delimiters 341
        Using the Additional Select Methods 344
    What Is a DataView Object? 346
        DataView Objects Return Data from a DataTable 346
        DataView Objects Are Not SQL Queries 347
    Working with DataView Objects in Code 348
        Creating DataView Objects 348
        Using the RowStateFilter Property 349
        Using the DataRowView Object 350
        Examining All Rows of Data Available Through a DataView 351
        Searching for Data in a DataView 352
        Modifying DataRowView Objects 355
    Creating DataView Objects in Visual Studio .NET 356
        Adding a New DataView Object to Your Designer 356
        Setting Properties of Your DataView Object 356
    DataView Object Reference 357
        Properties of the DataView Object 357
        Methods of the DataView Object 361
        The ListChanged Event of the DataView Object 365
        Properties of the DataRowView Object 366
        Methods of the DataRowView Object 367
    Questions That Should Be Asked More Frequently 369
9   Working with Strongly Typed DataSet Objects 375
    Creating Strongly Typed DataSet Objects 376
        The Hard Way 376
        The Easy Way 379
    Using Strongly Typed DataSet Objects 382
        Adding a Row 382
        Finding a Row 384
        Editing a Row 385
        Working with Null Data 386
        Working with Hierarchical Data 387
        Other DataSet, DataTable, and DataRow Features 389
    When to Use Strongly Typed DataSet Objects 389
        Software Components and Swiss Army Knives 389
        Design-Time Benefits 390
        Run-Time Benefits 391
        Additional Considerations 394
        Choosing Your Path 397
    Questions That Should Be Asked More Frequently 397
10   Submitting Updates to Your Database 401
    A History Lesson 404
        Benefits of Submitting Updates Using ADO Recordset Objects 405
        Drawbacks of Submitting Updates Using ADO Recordset Objects 406
    Using ADO.NET Command Objects to Submit Updates 407
    Using ADO.NET DataAdapter Objects to Submit Updates 419
    Manually Configuring Your DataAdapter Objects 419
        Introducing Bound Parameters 419
        Using Stored Procedures to Submit Updates 424
        Supplying Your Own Updating Logic 430
    Using the CommandBuilder Object to Generate Updating Logic 431
        How the CommandBuilder Generates Updating Logic 432
        Benefits and Drawbacks of Using the CommandBuilder 434
    Using the Data Adapter Configuration Wizard to Generate Updating Logic 434
        Examining the Structure of the DataAdapter 435
        Options for Building Updating Logic 436
        Using Stored Procedures to Submit Updates 437
        Benefits and Drawbacks of Using the Wizard 441
    Other Updating Concerns 441
        Optimistic Concurrency Options 441
        Working with Null Values 446
        Submitting Updates in Transactions 447
        Using the TableMappings Collection 451
        The Best Way to Update 454
    OleDbCommandBuilder Object Reference 455
        Properties of the OleDbCommandBuilder Object 455
        Methods of the OleDbCommandBuilder Object 456
    Questions That Should Be Asked More Frequently 458
11   Advanced Updating Scenarios 467
    Refreshing a Row After Submitting an Update 468
        Retrieving the Newly Generated Value for the Timestamp Column After You Submit an Update 469
        Using Batch Queries to Retrieve Data After You Submit an Update 469
        Retrieving New Data Using Output Parameters 471
        Using the DataAdapter Object's RowUpdated Event to Retrieve Data After You Submit an Update 472
        The Timestamp Sample Application 474
    Retrieving Newly Generated Autoincrement Values 474
        Working with SQL Server 475
        Working with Access 2000 478
        Working with Oracle Sequences 478
        Sample Applications That Retrieve Autoincrement Values 481
    Using SQL Server's NOCOUNT Setting 482
    Submitting Hierarchical Changes 485
        Submitting Pending Insertions and Deletions 485
        Working with Autoincrement Values and Relational Data 488
    Isolating and Reintegrating Changes 490
        Saving Bandwidth Using the GetChanges Method 491
    Handling Failed Update Attempts Elegantly 503
        Planning Ahead for Conflicts 503
        Informing the User of Failures 504
        Fetching the Current Contents of Conflicting Rows 506
        If at First You Don't Succeed. 508
        The Conflicts Sample Application 509
    Working with Distributed Transactions 510
        Transaction Coordinators and Resource Managers 512
        Distributed Transactions in the .NET Framework 513
        Database Support for Distributed Transactions 514
        Building Your Components 514
        The DistributedTransaction Sample Application 518
        Other Benefits of Using Component Services 519
        When Handling Advanced Updating Scenarios, Use ADO.NET 519
    Questions That Should Be Asked More Frequently 520
12   Working with XML Data 523
    Bridging the Gap Between XML and Data Access 523
    Reading and Writing XML Data 524
        The DataSet Object's XML Methods 524
        Inferring Schemas 528
        ADO.NET Properties That Affect the Schema of Your XML Document 529
        Caching Changes and XML Documents 531
    DataSet + XmlDocument = XmlDataDocument 534
        Using the XmlDataDocument Object 534
        Accessing Your DataSet as an XML Document 534
        Caching Updates to the XML Document 536
    Retrieving XML Data from SQL Server 2000 537
&nb

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