Learning Visual Basic .Net

This new title not only serves as a quick on-ramp to Visual Basic .NET, but to .NET programming in general. Learning Visual Basic .NET introduces fundamentals like Visual Studio .NET (a tool set for building XML Web services and Windows-based applications), object-oriented programming principles, and the Visual Basic .NET language itself. Author Jesse Liberty also demonstrates how to develop various kinds of applications, including those that work with databases, and web services.

Jesse Liberty is the best selling author of Programming ASP.NET, Programming C#, and a dozen other books on web and object oriented programming. He is president of Liberty Associates, Inc., where he provides contract programming, consulting and on-site training in ASP.NET, C#, C++ and related topics. Jesse has been a Distinguished Software Engineer at AT&T and Vice President for technology development at CitiBank.

Preface

ix

Visual Basic .NET and .NET Programming

1

(5)

Visual Basic and .NET

1

(2)

The .NET Platform

3

(1)

The .NET Framework

3

(1)

The VB.NET Language

4

(1)

The Structure of VB.NET Applications

4

(1)

The Development Environment

5

(1)

Getting Started with VB.NET

6

(8)

What's in a Program?

8

(1)

Your First Program: Hello World

9

(2)

Examining Your First Program

11

(3)

Object-Oriented Programming

14

(9)

Creating Models

15

(1)

Classes and Objects

16

(1)

Defining a Class

17

(1)

Class Relationships

18

(1)

The Three Pillars of Object-Oriented Programming

19

(1)

Encapsulation

19

(1)

Specialization

20

(1)

Polymorphism

21

(1)

Object-Oriented Analysis and Design

21

(2)

Visual Studio .NET

23

(9)

Start Page

25

(2)

Inside the Integrated Development Environment (IDE)

27

(2)

IntelliSense

29

(1)

Building and Running

30

(1)

For More Information

31

(1)

VB.NET Language Fundamentals

32

(17)

Types

32

(4)

Variables

36

(3)

Constants

39

(8)

Strings

47

(1)

Statements

47

(1)

Whitespace

48

(1)

Branching

49

(22)

Unconditional Branching Statements

50

(2)

Conditional Branching Statements

52

(8)

Iteration (Looping) Statements

60

(11)

Operators

71

(11)

The Assignment Operator (=)

71

(1)

Mathematical Operators

71

(5)

Relational Operators

76

(1)

Logical Operators Within Conditionals

77

(2)

Operator Precedence

79

(3)

Classes and Objects

82

(25)

Defining Classes

83

(11)

Method Arguments

94

(2)

Constructors

96

(2)

Initializers

98

(2)

Copy Constructors

100

(1)

The Me Keyword

101

(1)

Using Shared Members

102

(3)

Destroying Objects

105

(2)

Inside Methods

107

(14)

Overloading Methods

107

(3)

Encapsulating Data with Properties

110

(5)

Passing by Value and by Reference

115

(6)

Basic Debugging

121

(9)

Setting a Breakpoint

121

(8)

The Call Stack

129

(1)

Inheritance and Polymorphism

130

(21)

Specialization and Generalization

130

(3)

Inheritance

133

(3)

Polymorphism

136

(6)

Abstract Classes

142

(3)

NotInheritable Classes

145

(1)

The Root of All Classes: Object

146

(2)

Boxing and Unboxing Types

148

(3)

Structures

151

(6)

Defining a Structure

152

(5)

Interfaces

157

(23)

Defining an Interface

158

(1)

Implementing an Interface

159

(4)

Implementing More Than One Interface

163

(2)

Casting to an Interface

165

(5)

Extending Interfaces

170

(3)

Combining Interfaces

173

(1)

Overriding Interface Implementations

174

(6)

Arrays

180

(32)

Arrays

181

(10)

Multidimensional Arrays

191

(8)

System.Array

199

(3)

Indexers and the Default Property

202

(10)

Collection Interfaces and Types

212

(27)

The Collection Interfaces

212

(12)

Array Lists

224

(2)

The Collection Class

226

(3)

Queues

229

(4)

Stacks

233

(3)

Copying from a Collection Type to an Array

236

(3)

Strings

239

(20)

Creating Strings

239

(2)

Manipulating Strings

241

(14)

Regular Expressions

255

(1)

The Regex Class

256

(3)

Throwing and Catching Exceptions

259

(17)

Throwing Exceptions

260

(1)

Searching for an Exception Handler

260

(1)

The Throw Statement

261

(2)

The Try and Catch Statements

263

(1)

How the Call Stack Works

264

(2)

Creating Dedicated Catch Statements

266

(2)

The Finally Statement

268

(2)

Exception Class Methods and Properties

270

(3)

Custom Exceptions

273

(3)

Applications and Events

276

(13)

Creating a Windows Application

276

(4)

Events

280

(7)

Server-Side Code

287

(2)

Afterword

289

(4)

Where to Go from Here

289

(1)

Advanced Topics in VB.NET

289

(2)

Web (ASP.NET) Programming

291

(1)

Windows Forms Programming

292

(1)

Other Resources

292

(1)

Index

293

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Learning Visual Basic .Net

Summary

Author Biography

Table of Contents

Supplemental Materials