VB.NET Tutorial





About the Tutorial

is a simple, modern, object-oriented computer programming language developed by Microsoft to combine the power of .NET Framework and the common language runtime with the productivity benefits that are the hallmark of Visual Basic. This tutorial will teach you basic programming and will also take you through various advanced concepts related to programming language.

Audience

This tutorial has been prepared for the beginners to help them understand basic programming. After completing this tutorial, you will find yourself at a moderate level of expertise in programming from where you can take yourself to next levels.

Prerequisites

programming is very much based on BASIC and Visual Basic programming languages, so if you have basic understanding on these programming languages, then it will be a fun for you to learn programming language.

Copyright & Disclaimer

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Table of Contents

About the Tutorial...................................................................................................................................1

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Audience .................................................................................................................................................1 Prerequisites ...........................................................................................................................................1 Copyright & Disclaimer............................................................................................................................1 Table of Contents ....................................................................................................................................2

1. ? OVERVIEW ...........................................................................................................8

Strong Programming Features .....................................................................................................8

2. ? ENVIRONMENT SETUP ....................................................................................... 10

The .Net Framework .............................................................................................................................10 Integrated Development Environment (IDE) For .......................................................................11 Writing Programs on Linux or Mac OS .......................................................................................11

3. ? PROGRAM STRUCTURE ...................................................................................... 12

Hello World Example.................................................................................................................12 Compile & Execute Program......................................................................................................13

4. ? BASIC SYNTAX ....................................................................................................15

A Rectangle Class in ...................................................................................................................15 Identifiers .............................................................................................................................................. 17 Keywords ..................................................................................................................................17

5. ? DATA TYPES........................................................................................................19

Data Types Available in .............................................................................................................19 Example ................................................................................................................................................21 The Type Conversion Functions in .............................................................................................22 Example ................................................................................................................................................24

6. ? VARIABLES..........................................................................................................25

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Variable Declaration in ..............................................................................................................25 Variable Initialization in ............................................................................................................27 Example ................................................................................................................................................27 Accepting Values from User ..................................................................................................................28 Lvalues and Rvalues ..............................................................................................................................28

7. ? CONSTANTS AND ENUMERATIONS ....................................................................30

Declaring Constants ..............................................................................................................................30 Example ................................................................................................................................................31 Print and Display Constants in ...................................................................................................31 Declaring Enumerations ........................................................................................................................32 Example ................................................................................................................................................33

8. ? MODIFIERS.........................................................................................................35

List of Available Modifiers in .....................................................................................................35

9. ? STATEMENTS......................................................................................................40

Declaration Statements.........................................................................................................................40 Executable Statements..........................................................................................................................44

10. ? DIRECTIVES.........................................................................................................45

Compiler Directives in ...............................................................................................................45

11. ? OPERATORS........................................................................................................50

Arithmetic Operators ............................................................................................................................50 Example ................................................................................................................................................51 Comparison Operators ..........................................................................................................................52 Logical/Bitwise Operators .....................................................................................................................54

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Example ................................................................................................................................................55 Bit Shift Operators ................................................................................................................................57 Example ................................................................................................................................................59 Assignment Operators...........................................................................................................................60 Example ................................................................................................................................................61 Miscellaneous Operators ......................................................................................................................62 Example ................................................................................................................................................63 Operators Precedence in ...........................................................................................................64 Example ................................................................................................................................................65

12. ? DECISION MAKING ............................................................................................. 67

If...Then Statement ...............................................................................................................................68 If...Then...Else Statement ......................................................................................................................70 The If...Else If...Else Statement ..............................................................................................................71 Nested If Statements.............................................................................................................................73 Select Case Statement...........................................................................................................................74 Nested Select Case Statement...............................................................................................................76

13. ? LOOPS ................................................................................................................78

Do Loop.................................................................................................................................................79 For...Next Loop......................................................................................................................................82 Each...Next Loop ...................................................................................................................................85 While... End While Loop ........................................................................................................................86 With... End With Statement ..................................................................................................................88 Nested Loops ........................................................................................................................................89 Loop Control Statements.......................................................................................................................91

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