a0013 beginning object oriented programming with vb 200 morebook vn 3748

ClarkBeginning Object-Oriented Programming with VB 2005 From Novice to Professional... Beginning Object-Oriented Programming with VB 2005: From Novice to ProfessionalCopyright © 2006 by

Daniel R Clark

Beginning

Object-Oriented

Programming

with VB 2005

From Novice to Professional

Beginning Object-Oriented Programming with VB 2005: From Novice to Professional

Copyright © 2006 by Daniel R Clark

All rights reserved No part of this work may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, recording, or by any information storage or retrieval system, without the prior written permission of the copyright owner and the publisher

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Contents at a Glance

About the Author xiii

About the Technical Reviewer xv

Introduction xvii

PART 1 ■ ■ ■ Object-Oriented Programming and Design Fundamentals ■ CHAPTER 1 Overview of Object-Oriented Programming 3

■ CHAPTER 2 Designing OOP Solutions: Identifying the Class Structure 11

■ CHAPTER 3 Designing OOP Solutions: Modeling theObject Interaction 31

■ CHAPTER 4 Designing OOP Solutions: A Case Study 63

PART 2 ■ ■ ■ Object-Oriented Programming with Visual Basic ■ CHAPTER 5 Introducing Visual Basic and the NET Framework 85

■ CHAPTER 6 Creating Classes 109

■ CHAPTER 7 Creating Class Hierarchies 123

■ CHAPTER 8 Implementing Object Collaboration 147

■ CHAPTER 9 Working with Collections 173

PART 3 ■ ■ ■ Developing Applications with Visual Basic ■ CHAPTER 10 OSO Application Revisited: Implementing the Business Logic 201

■ CHAPTER 11 Developing Windows Applications 237

■ CHAPTER 12 Developing Web Applications 275

iii

■ CHAPTER 13 Developing and Consuming Web Services 311

■ CHAPTER 14 Wrapping Up and Reviewing 325

PART 4 ■ ■ ■ Appendixes ■ APPENDIX A Fundamental Programming Concepts 331

■ APPENDIX B Exception Handling in VB 347

■ APPENDIX C Installing the Sample Databases 351

■ INDEX 355

iv

use cases, 14–21

actors in, 14 creating OSO, 65–66 defined, 12

developing from SRS, 14, 17–18 diagramming, 17–21

diagramming OSO application, 66–68 illustrated, 14, 15, 16, 29

inclusion, 16 modeling class behaviors for OSO application, 73–77

user groups, 327

■ V

validating employees, 232, 269–270, 305–306

variables, 331

block-level scope of, 336 module scope of, 337 procedure scope of, 337 View Supply Catalog scenario, 76

views in Solution Explorer, 94–98

Visual Basic NET See also fundamental

programming concepts; object collaboration

defining classes, 110–114 delegated methods, 156–158 derived class in, 124

developing programming skills, 325–327 history of, 8–9

inheritance, 7, 123–129 issuing event messages in, 150 method definitions in, 148 origins of, 8–9

polymorphism, 7, 123, 140–145 procedures, 344–345

support for generic-based collections, 193 Visual Studio

building and executing assemblies, 102 creating base and derived classes, 126–127

debugging in, 103–107 defining classes, 113–114 designing forms in, 100–101 exploring Toolbox, 99–101 form designer in, 240–243 IDE in, 92–93

new projects in, 94 shared methods in, 164–166 Solution Explorer views, 94–98 verifying database installation with, 352–354

Web Page Designer, 279–281

■ W

warning dialog box, 288

Watch window (Visual Studio), 106

Web Forms about, 275–277 adding page and server control event handlers, 281–283

code-behind files, 276–277 creating OSO Web-based interface, 303–310

displaying OSO products, 303–304 enabling debugging for Web files, 287–288 inheritance for web pages and Web server controls, 277–279

initiating OSO Web orders, 304–305 OSO order items added to, 306–308 placing orders on OSO, 309 removing items from OSO, 308–309 server-side event processing, 283–284 similarity to Windows Forms interfaces, 275

testing OSO Web GUI, 309–310 using Web server controls, 277 validating OSO employees at login, 269–270, 305–306

Web Page Designer (Visual Studio) Toolbox for, 286

using, 279–281 web pages inheritance hierarchy of, 277–279 interface and programming logic of, 275–277

web references for web services, 320, 322 Web server controls, 277–279

web services See also consuming web

services about, 311–312, 323 adding web references, 320, 322 browsing for, 320

consuming, 319–323 creating, 313–319 processes in, 312–313 WebControl class, 279 While statements, 342–343 Windows Forms

adding dialog box to close application, 258–259

creating inherited forms, 257–258 data binding, 260–266

dialog box vs normal, 252 event-driven model of, 243 inheritance hierarchy for form classes, 238–239

similarity to Web Forms interfaces, 275 types of controls on, 238

working with, 237–238 Withdraw method testing, 128–129, 134, 135–136 using MyBase qualifier with, 135

WithEvents declaration, 152–153

WithEvents keyword, 150

WSDL files, 315, 316

■ X

XML (Extensible Markup Language)

about ADO.NET and, 88–89 ADO.NET and data structure of, 88–89, 203

.NET Framework support for standards,

86, 203 persisting DataSet objects to XML file, 220

serializing/deserializing NET data types, 149