Beginning ASP.NET in VB .NET: From Novice to Professional

983 Pages·2004·31.147 MB·English

by  Matthew MacDonald (auth.)

Beginning ASP.NET
in VB .NET:
From Novice
to Professional
MATTHEW MACDONALD
APress Media, LLC
Beginning ASP.NET in VB .NET: From Novice to Professional
Copyright ©2004 by Matthew MacDonald
Originally published by Apress in 2004
Ali 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.
ISBN 978-1-59059-278-6 ISBN 978-1-4302-0710-8 (eBook)
DOI 10.1007/978-1-4302-0710-8
Trademarked names may appear in this book. Rather than use a trademark symbol with every
occurrence of a trademarked name, we use the names only in an editorial fashion and to the
benefit of the trademark owner, with no intention of infringement of the trademark.
Technical Reviewer: Tim Verycruysse
Editorial Board: Dan Appleman, Craig Berry, Gary Cornell, Tony Davis, Steven Rycroft,
Julian Skinner, Martin Streicher, Jim Sumser, Karen Watterson, Gavin Wray, John Zukowski
Assistant Publisher: Grace Wong
Project Manager: Tracy Brown Collins
Copy Editor: Mark Nigara
Production Manager: Karl Brooks
Senior Production Editor: Kelly Wmquist
Proofreader: Lori Bring
Compositor: Susan Glinert
Indexer: John Collin
Artist: Christine Calderwood, Kinetic Publishing Services, LLC
Cover Designer: Kurt Krames
Manufacturing Manager: Tom Debolski
The information in this book is distributed on an "as is" hasis, without warranty. Although every
precaution has been taken in the preparation of this work, neither the author(s) nor Apress shall
have any liability to any person or entity with respect to any loss or damage caused or alleged to
be caused directly or indirectly by the information contained in this work.
For my loving wife Faria
Contents at a Glance
About the Author .................................................................................................. xv
Acknowledgments ................................................................................................. xvii
Introduction .......................................................................................................... xix
Part One ASP. NET Introduction ....................................... 1
Chapter 1 The .NET Framework ................................................................. 3
Chapter 2 Setting Up Internet Information Services
and ASP.NET .............................................................................. 19
Chapter 3 Learning the Visual Basic • NET Language ................. 43
Chapter 4 Types, Objects, and Namespaces .................................... 73
Part Two Developing ASP. NET Applications .............. 97
Chapter 5 ASP. NET Applications .......................................................... 99
Chapter 6 Web Form Fundamentals ...................................................... 133
Chapter 7 Web Controls .......................................................................... 165
Chapter 8 Using Visual Studio • NET ............................................... 201
Chapter 9 Validation and Rich Controls ....................................... 233
Chapter 10 State Management ................................................................. 273
Chapter 11 Tracing, Logging, and Error Handling ..................... 305
Chapter 12 Deploying ASP. NET ............................................................... 347
Part Three Working with Data ..........................................
363
Chapter 13 Introducing ADO.NET .......................................................... 365
Chapter 14 ADO. NET Data Access .......................................................... 387
Chapter 15 Data Binding .......................................................................... 431
Chapter 16 The DataList, DataGrid, and Repeater ..................... 457
Chapter 17 Files, Streams, and E-mail ........................................... 501
Chapter 18 Using XML ................................................................................ 529
v
Contents at a Glance
Part Four Web Services ...................................................... 569
Chapter 19 Web Services Architecture ............................................ 571
Chapter 20 Creating Web Services ..................................................... 587
Chapter 21 Using Web Services ............................................................ 615
Part Five Advanced ASP. NET .................................................
643
Chapter 22 Component-Based Programming ........................................ 645
Chapter 23 Custom Controls .................................................................. 679
Chapter 24 Caching and Performance Tuning .................................. 725
Chapter 25 Implementing Security ..................................................... 759
Chapter 26 The IBuySpy Case Studies............................................... 797
Part Six ASP. NET Reference ..........................................
837
Chapter 27 HTML Server Controls ....................................................... 839
Chapter 28 Web Controls ......................................................................... 857
Chapter 29 Configuration Files .......................................................... 909
Index ....................................................................................................................... 935
vi
Contents
About the Author ............................................................................................
xv
Acknowledgments ...........................................................................................
xvii
Introduction .....................................................................................................
xix
Part One ASP. NET Introduction ...........................................
1
Chapter The •N ET Framework .........................................................
1 3
The Evolution of Web Development ................................................................. 3
The .NET Framework ................................................................................................ 9
VB • NET, C#, and the • NET Languages ........................................................ 12
The Common Language Runtime .......................................................................... 14
The • NET Class Library ..................................................................................... ·15
Visual Studio .NET. ............................................................................................. 16
The Last Word ........................................................................................................ 17
Chapter 2 Setting Up Internet Information Services
and ASP. NET .........................................................................
19
Web Servers and You ........................................................................................... 19
Managing Websites ................................................................................................ 24
Installing ASP. NET. ............................................................................................. 37
The Last Word ........................................................................................................ 42
Chapter 3 Learning the Visual Basic
• NET Language ....................................................................
43
The .NET Languages .............................................................................................. 43
The Evolution of VB • NET ................................................................................ 44
Variables and Data Types ................................................................................ 46
Variable Operations ........................................................................................... 52
Object-Based Manipulation .............................................................................. 56
Conditional Structures ..................................................................................... 62
Loop Structures .................................................................................................... 64
vii
Contents
Functions and Subroutines .............................................................................. 67
The Last Word ........................................................................................................ 71
Chapter 4 Types} Objects} and Namespaces ........................ 73
The Basics About Classes ................................................................................ 73
Building a Basic Class.................................................................................... 76
Value Types and Reference Types ................................................................ 85
Advanced Class Programming ........................................................................... 89
Understanding Name spaces and Assemblies ............................................... 92
The Last Word ........................................................................................................ 96
Part Two Developing ASP. NET Applications ..............
97
Chapter 5 ASP. NET Applications ................................................. 99
The Anatomy of an ASP. NET Application ................................................... 99
ASP.NET File Types ........................................................................................... 100
A Simple Application from Start to Finish ......................................... 104
Code-Behind .......................................................................................................... 110
The Global. as ax Application File ............................................................ 120
Understanding the ASP. NET Classes.......................................................... 123
ASP. NET Configuration.................................................................................... 125
The Last Word ...................................................................................................... 132
Chapter 6 Web Form Fundamentals............................................. 133
A Simple Page Applet ...................................................................................... 133
Improving the Currency Converter ............................................................ 144
A Deeper Look at HTML Control Classes ................................................. 150
The Page Class .................................................................................................... 156
The Last Word ...................................................................................................... 163
Chapter 7 Web Controls .................................................................... 165
Stepping Up to Web Controls ....................................................................... 165
Web Control Classes ......................................................................................... 169
List Controls ...................................................................................................... 174
Table Controls .................................................................................................... 177
AutoPostBack and Web Control Events ...................................................... 183
A Simple Web Page Applet .............................................................................. 190
The Last Word ...................................................................................................... 199
viii
Contents
Chapter 8 Using Visual Studio . NET ...................................... 201
The Promise of Visual Studio . NET ........................................................... 201
Starting a Visual Studio .NET Project .................................................. 202
Designing Web Pages ......................................................................................... 213
Writing Code ......................................................................................................... 217
Visual Studio .NET Debugging ...................................................................... 225
The Last Word ...................................................................................................... 232
Chapter 9 Validation and Rich Controls ............................ 233
The Calendar Control ....................................................................................... 233
The AdRotator ...................................................................................................... 239
Validation ............................................................................................................. 242
A Simple Validation Example ........................................................................ 246
Understanding Regular Expressions ........................................................... 252
Other Rich Controls ......................................................................................... 261
The Microsoft Internet Explorer Controls ............................................ 262
The Last Word ...................................................................................................... 272
Chapter 10 State Management ........................................................... 273
The Problem of State ....................................................................................... 273
View State ............................................................................................................. 274
Transferring Information .............................................................................. 281
Custom Cookies .................................................................................................... 285
Session State ...................................................................................................... 288
Session State Configuration ........................................................................ 294
Application State .............................................................................................. 300
An Overview of State Management Choices .............................................. 302
The Last Word ...................................................................................................... 303
Chapter 11 Tracing, Logging, and Error Handling ....... 305
Common Errors ...................................................................................................... 305
The .NET Exception Object ............................................................................ 308
Handling Exceptions ......................................................................................... 310
Throwing Your OWn Exceptions ...................................................................... 316
Logging Exceptions ............................................................................................ 319
Error Pages ........................................................................................................... 328
Page Tracing ......................................................................................................... 333
The Last Word ...................................................................................................... 345
ix
Contents
Chapter 12 Deploying ASP. NET ....................................................... 347
Making Your Website Visible ....................................................................... 347
Deploying a Simple Site ................................................................................ 348
Deploying with Visual Studio .NET .......................................................... 352
Migrating from ASP ........................................................................................... 360
The Last Word ...................................................................................................... 362
Part Three Working with Data ................................................
363
Chapter 13 Introducing ADO.NET .................................................. 365
Introducing ADO.NET and Data Management ............................................. 365
The ADO.NET Object Model .............................................................................. 373
Comparing ADO and ADO.NET. ........................................................................... 383
The Last Word ...................................................................................................... 385
Chapter 14 ADO.NET Data Access .................................................. 387
About the ADO.NET Examples ......................................................................... 387
SQL Basics ............................................................................................................ 388
The Select Statement ...................................................................................... 390
The SQL Update Statement .............................................................................. 393
The SQL Insert Statement .............................................................................. 394
The SQL Delete Statement .............................................................................. 396
Accessing Data the Easy Way ....................................................................... 396
Creating a Connection .................................................................................... 397
Defining a Select Command ............................................................................ 401
Updating Data ...................................................................................................... 407
Using Disconnected Data ................................................................................ 414
Updating Disconnected Data ......................................................................... 422
The Last Word ...................................................................................................... 430
Chapter 15 Data Binding .................................................................... 431
Introducing Data Binding .............................................................................. 431
Single-Value Data Binding ............................................................................ 433
Repeated-Value Data Binding ....................................................................... 440
Data Binding with Databases ....................................................................... 448
The Last Word ...................................................................................................... 455
X