OOP: Building Reusable Components with Microsoft Visual Basic .NET

Kenneth L Spencer, Ken Spencer, Tom Eberhard, John Alexander

OOP: Building Reusable Components with Microsoft Visual Basic .NET
  • 出版商: MicroSoft
  • 出版日期: 2002-11-09
  • 售價: $1,990
  • 貴賓價: 9.5 折 $1,891
  • 語言: 英文
  • 頁數: 528
  • 裝訂: Paperback
  • ISBN: 0735613796
  • ISBN-13: 9780735613799
  • 相關分類: .NET、Visual Basic

    • 已絕版

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Description:

Discover how to design and build powerful, component-based applications quickly with Visual Basic .NET!

The Microsoft® .NET Framework collection of classes and technologies dramatically shortens development cycles and reduces development costs. Find out how to take advantage of this new development environment with this hands-on primer about writing Visual Basic® .NET components using the principles of object-oriented programming. It’s full of proven, real-world strategies that’ll help you get more out of your scarce coding resources. You’ll discover how to design and build powerful applications of almost any size quickly from reusable, shared components that you can create with Visual Basic .NET—or adapt from the samples included with the book. You’ll learn about the latest changes to the language and the features that .NET brings to the development process. You’ll also learn how to construct a rich, object-oriented architecture for creating complex business applications from reusable components. Topics covered include:

• Introduction to object-oriented development
• Architecture and Microsoft .NET
• Exception handling in the .NET Framework
• Implementing the various layers of an application: data access, security, generic Web client handlers, menu handlers, business rules, and facade
• Creating the user interface template
• Building information pages and XML Web services
• Using remoting for communication
• Wiring the application together

 

Table of Contents:

Acknowledgments xv
    Introduction xvii
1  Introduction to Object-Oriented Development 1
    The .NET Framework 2
    Visual Studio .NET Support for Components 6
    General Language Changes in Visual Basic .NET 8
        Data Type Changes 8
        Arrays 9
        String Handling 10
        Structured Exception Handling 12
    Components, Classes, and Objects 13
        Components and Classes 14
        Class and Module Files 16
        Instantiating and Using Classes 17
        Structures 19
        Property Procedures 20
        Working with Methods 21
        Overloading Properties and Methods 22
        Overriding Existing Methods 23
        Events 24
        Interfaces and Implements 25
        Shared Members 26
        Namespaces 26
        Inheritance 28
    Deploying .NET Applications 29
2  Architectural Options with .NET 33
    Choosing the Right Architecture 34
    Brief History of Software Architecture 35
        One-Tier Architecture 35
        Two-Tier Architecture 36
        Three-Tier Architecture 39
        Flexible n-Tier Architecture 43
    Solutions Using the .NET Framework 50
        User Interfaces 51
        Facade Functions 53
        Business Layer 53
        Data Access Layer 54
        Data Layer 54
    Analysis and Design 54
3  Exception Handling in the .NET Framework 59
    The Exceptional News on .NET 60
    What Is Structured Exception Handling? 61
        Structured Exception Handling 62
        Object-Oriented Exception Handling 62
        The Syntax of the Try Statement 63
    Defining Exception-Handling Objects 66
        Guidelines for Defining Custom Exception Classes 66
        Defining a Custom Base Class for Exceptions 68
    Event Logging 75
    Exception-Handling Objects and Remoting 78
    Creating an Application Exception Class Hierarchy 80
4  Implementing the Data Access Layer 83
    The Power of ADO.NET 84
        Performance 84
        Scalability 84
        XML Equals Interoperability 85
        Ease of Use 85
    Components of ADO.NET 85
        Connection Object 87
        Command Object 88
        DataReader Object 91
        DataSet Object 93
    The ADO.NET Data Access Object 95
        Why Have a Data Access Object? 95
        What Will the Data Access Object Do? 96
        Our Approach to Database Access and Usage 97
    Implementing the Data Access Object 97
        The Data Access Object as a Component 97
        Private Variables and Objects 100
        Constructors 100
        Properties 101
        The First Method: Running an SQL Statement and Returning a DataSet 102
        Exception Handling 103
        Logging Exceptions 103
        What Else? 104
        The Complete Code for the runSQLDataSet Method 107
    Using the Data Access Object 118
    Additional Questions About Data Access 119
        How Do We Handle Transactions? 119
        What About Data Concurrency? 119
        What About Connection Pooling? 119
        Can We Use Performance Counters? 120
5  Implementing the Security Layer 121
    Overview of Relevant .NET Security Features 122
    Application Security Needs 123
    Forms Authentication Services 124
        Creating the Forms Authentication Architecture for an Application 125
        Configuring the Application 126
        Creating the Credentials Store 128
        Creating the Login Form 129
    Authorization Features 134
        Authorization Types in the .NET Framework 135
        Working with Role-Based Authorization 135
        URL Authorization 138
    The Security Layer 138
        Creating the SecurIt Component 140
        Creating the Secure ASP.NET Header 148
        Using the SecurIt Layer 153
6  Implementing Generic Web Client Handlers 157
    User Interface Options with ASP.NET 158
        The Past 158
        The Present 159
        The Future 161
    Choosing Between User Controls and Custom Server Controls 161
    Building User Controls 163
        The Basics of User Controls 164
        Properties of User Controls 167
        Methods of User Controls 171
        Event Bubbling in User Controls 173
        Dynamically Loaded User Controls 175
    Building Custom Server Controls 178
        The Basics of Full Custom Server Controls 179
        Enhanced or Derived Custom Server Controls 185
        Enhanced ASP.NET DropDownList Server Control 185
        Highlighting the Selected Textbox Server Control 188
        Composite Server Controls 192
        Composite ASP.NET MyLabelTextBox Server Controls 193
        Enhanced Composite ASP.NET MyLabelTextBox Server Controls 201
        Events and Custom Server Controls 205
    Using Windows Forms Controls 206
7  Implementing the Menu Handlers 211
    A Bit of Menu Strategy 212
        Our Approach to Designing Effective Menus 214
    Creating Menu and Navigation Bar Objects 218
        .NET Technology Used 218
        Designing the Control 223
        The MenuData Component 224
        The Main Menu Custom User Control 229
        The Navigation Bar Custom User Control 231
        Other Options for User Controls 236
    A Visual Basic .NET Windows Forms Example 238
8  Implementing the Business Layer 243
    Why Do We Need a Business Layer? 243
    Designing Generic Business Objects 244
    Determining Business Rules 246
    Interacting with the Security Layer 247
    Interacting with the Data Access Layer 248
        Building and Determining Queries Based on Business Rules 248
        Get-Related Stored Procedures 255
        Insert-Related Stored Procedures 257
        Update-Related Stored Procedures 259
    Object-Oriented Features of Visual Basic .NET 261
        Constructors Revisited 261
        Overloading 263
        Overloaded Constructors 264
        Inheritance in HRnet 265
9  Implementing Facade Layers 271
    Advantages of Facade Layers and Applications 272
    Designing the Facade Layers 273
    Building the Facade Objects 275
        The EmployeeHRObject Facade Class 281
        EmployeeCSObject Facade Class 283
10  Creating the User Interface Template 287
    HRnet Sample Application Specifications 288
        HRnet Application Architecture 288
        HRnet Application Functionality 289
    Creating the HRnet Web Template 294
        The Web Template Layout 294
        The Web Template Files 295
    Starting the HRnet Application 299
        The HRnet Home Page 301
    Web Page Templates: The Other Option 304
        Additional Functionality 310
    Creating the HRnet Windows Forms Template 311
        The Base Forms 312
        The Final Data Entry Form 315
    Calling Code from Web Pages and Windows Forms 315
11  Building Information Pages 317
    A Bit of User Interface Strategy 318
    Web-Based vs. Windows-Based Data Presentation Forms 320
        Data Presentation Forms 321
        ASP.NET DataGrid Control for List Forms 321
    Customizing the Default ASP.NET DataGrid Control 325
        Adding Functionality to a Custom DataGrid Control 328
        Adding Better Graphics 332
        Changing the Footer 333
        Adding the GoTo Function 337
        Adding Sorting Capabilities 342
        Adding Final Enhancements 346
    Showing Detail Information 350
        A One-Page Grid and Detail Form 351
        Grid and Detail Forms Separated 356
        Enhancing the Page Grid and Detail Form 359
        State Handling in the Detail Custom Server Control 363
    Scalability and Performance 367
12  Implementing the Business Layer: XML Web Services 373
    Implementing XML Web Services 374
    Consuming XML Web Services 376
        Under the Proxy's Hood 378
    Using Publicly Available Services 378
        The WeatherInfo Web Control 383
    SOAP: Your XML Web Service's New Best Friend 385
        Currently Supported Protocols 385
        SOAP Document Structure 386
        Calling from the Client 389
13  Using Remoting for Communication 391
    Starting Out 391
    Creating the Server 393
    Building Your First Remoting Client 395
    Building the Remote Host 400
        Windows Hoster 400
        Windows Service Hoster 401
    Remoting the Business Objects 405
        Security Layer 406
        Business Layer 407
    Remoting Deployment 409
    Creating the Client 410
14  Wiring the Application Together 417
    Steps for Wiring the Application 418
        Step 1: Menu Structure and Templates 419
        Step 2: Security 421
        Step 3: The Home Page 429
        Step 4: Information and Data Pages 437
    An HRnet Windows Form: Titles 454
        Titles: DataGrid and Detail in One Windows Form 454
    Deploying an Application 459
        Deploy with XCOPY 460
        Deploy Global Files 460
        Deploy by Creating a Windows Installer Package 463
    Assemblies and Versioning 465
INDEX 469

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