Simply Visual Basic 2010

Paul J. Deitel, CEO and Chief Technical Officer of Deitel & Associates, Inc., is a graduate of the MIT Sloan School of Management, where he studied Information Technology. He holds the?Java Certified Programmer and?Java Certified Developer professional certifications, and has been designated by Sun Microsystems as a Java Champion-"a prominent member of the Java community whose input is solicited by the company in order to improve the Java platform." He has delivered programming language courses to clients including numerous Fortune 1000 companies, government organizations and the military. Paul is one of the world's most experienced corporate trainers. He has also lectured on C and Java for the Boston Chapter of the Association for Computing Machinery. The Deitels are the world's best-selling programming language textbook authors. Dr. Harvey M. Deitel, Chairman and Chief Strategy Officer of Deitel & Associates, Inc., has 46 years of academic and industry experience in the?computer field. Dr. Deitel earned B.S. and M.S. degrees from the Massachusetts Institute of?Technology and a Ph.D. from Boston University. He has 20 years of college teaching experience, including earning tenure and serving as the Chairman of the?Computer Science Department at Boston College before founding Deitel & Associates, Inc. He and Paul are the co-authors of several dozen books and multimedia packages. With translations published in many languages, the Deitels' texts have earned international recognition and are used in over 150 countries. Dr. Deitel has delivered hundreds of professional seminars to major corporations, academic institutions,?government organizations and the military.

Preface viii
1 Test-Driving a Painter App 1
Introducing Computers, the Internet and Visual Basic 1
1.1 Computing in Business, Industry and Research 1
1.2 Hardware and Software 5
1.3 Data Hierarchy 6
1.4 Computer Organization 8
1.5 Machine Languages, Assembly Languages and High-Level Languages 10
1.6 Object Technology 11
1.7 Microsoft's Windows (R) Operating System 13
1.8 Programming Languages 13
1.9 Visual Basic 14
1.10 The Internet and the World Wide Web 15
1.11 Microsoft .NET 16
1.12 Web 2.0: Going Social 17
1.13 Test-Driving the Visual Basic Advanced Painter App 21
1.14 Web Resources 24
1.15 Wrap-Up 24

2 Welcome App 37
Introducing the Visual Basic 2010 Express IDE 37
2.1 Test-Driving the Welcome App 37
2.2 Overview of the Visual Studio 2010 IDE 38
2.3 Creating a Project for the Welcome App 40
2.4 Menu Bar and Toolbar 45
2.5 Navigating the Visual Studio IDE 47
Solution Explorer 48
Toolbox 49
Properties Window 49
2.6 Using Help 51
2.7 Saving and Closing Projects in Visual Basic 53
2.8 Web Resources 53
2.9 Wrap-Up 54

3 Welcome App 65
Introduction to Visual App Development 65
3.1 Test-Driving the Welcome App 65
3.2 Constructing the Welcome App 68
3.3 Objects Used in the App 78
3.4 Wrap-Up 78

4 Designing the Inventory App 106
Introducing TextBoxes and Buttons 106
4.1 Test-Driving the Inventory App 106
4.2 Constructing the Inventory App 108
4.3 Adding Labels to the Inventory App 112
4.4 Adding TextBoxes and a Button to the Form 115
4.5 Wrap-Up 118

5 Completing the Inventory App 135
Introducing Programming 135
5.1 Test-Driving the Inventory App 135
5.2 Introduction to Visual Basic Program Code 136
5.3 Inserting an Event Handler 139
5.4 Performing a Calculation and Displaying the Result 143
5.5 Using the IDE to Eliminate Compilation Errors 146
5.6 Wrap-Up 149

6 Enhancing the Inventory App 163
Introducing Variables, Memory Concepts and Arithmetic 163
6.1 Test-Driving the Enhanced Inventory App 163
6.2 Variables 164
6.3 Handling the TextChanged Event 167
6.4 Memory Concepts 169
6.5 Arithmetic 170
6.6 Using the Debugger: Breakpoints 172
6.7 Wrap-Up 175

7 Wage Calculator App 190
Introducing Algorithms, Pseudocode and Program Control 190
7.1 Test-Driving the Wage Calculator App 190
7.2 Algorithms 191
7.3 Pseudocode 192
7.4 Control Statements 193
7.5 If...Then Selection Statement 195
7.6 If...Then...Else Selection Statement and Conditional If Expressions 197
7.7 Constructing the Wage Calculator App 200
7.8 Assignment Operators 204
7.9 Formatting Text 205
7.10 Using the Debugger: The Watch Window 207
7.11 Wrap-Up 210

8 Dental Payment App 225
Introducing CheckBoxes and Message Dialogs 225
8.1 Test-Driving the Dental Payment App 225
8.2 Designing the Dental Payment App 228
8.3 Using CheckBoxes 229
8.4 Using a Dialog to Display a Message 231
8.5 Logical Operators 235
Using AndAlso 235
Using OrElse 236
Short-Circuit Evaluation 237
Using Xor 237
Using Not 237
8.6 Designer-Generated Code 240
8.7 Wrap-Up 241

9 Car Payment Calculator App 256
Introducing the Do While...Loop and Do Until...Loop Repetition Statements 256
9.1 Test-Driving the Car Payment Calculator App 256
9.2 Do While...Loop Repetition Statement 258
9.3 Do Until...Loop Repetition Statement 260
9.4 Constructing the Car Payment Calculator App 262
9.5 Wrap-Up 269

10 Class Average App 282
Introducing the Do...Loop While and Do...Loop Until Repetition Statements 282
10.1 Test-Driving the Class Average App 282
10.2 Do...Loop While Repetition Statement 284
10.3 Do...Loop Until Repetition Statement 286
10.4 Creating the Class Average App 288
10.5 Wrap-Up 294

11 Interest Calculator Application 308
Introducing the For...Next Repetition Statement and NumericUpDown Control 308
11.1 Test-Driving the Interest Calculator Application 308
11.2 Essentials of Counter-Controlled Repetition 310
11.3 Introducing the For...Next Repetition Statement 311
11.4 Examples Using the For...Next Statement 315
11.5 Constructing the Interest Calculator Application 315
11.6 Wrap-Up 323

12 Security Panel Application 332
Introducing the Select Case Multiple-Selection Statement 332
12.1 Test-Driving the Security Panel Application 332
12.2 Introducing the Select Case Multiple-Selection Statement 334
12.3 Constructing the Security Panel Application 336
12.4 Wrap-Up 344

13 Enhancing the Wage Calculator Application 352
Introducing Function Procedures and Sub Procedures 352
13.1 Test-Driving the Enhanced Wage Calculator Application 352
13.2 Classes and Procedures 353
13.3 Function Procedures 354
13.4 Using Sub Procedures in the Wage Calculator Application 363
13.5 Using the Debugger: Debugging Controls 368
13.6 Optional Parameters 372
13.7 Wrap-Up 373

14 Shipping Time Application 381
Using Dates and Timers 381
14.1 Test-Driving the Shipping Time Application 381
14.2 Date Variables 382
Declaring a Date Variable 382
Using Date Members 383
14.3 Creating the Shipping Time Application: Design Elements 385
14.4 Creating the Shipping Time Application: Inserting Code 391
14.5 Wrap-Up 399

15 Fund Raiser Application 408
Introducing Scope, Pass-by-Reference and Option Strict 408
15.1 Test-Driving the Fund Raiser Application 408
15.2 Constructing the Fund Raiser Application 410
15.3 Passing Arguments: Pass-by-Value vs. Pass-by-Reference 416
15.4 Option Strict 419
15.5 Wrap-Up 426

16 Craps Game Application 433
Introducing Random-Number Generation and Enum 433
16.1 Test-Driving the Craps Game Application 433
16.2 Random-Number Generation 436
16.3 Constructing the Craps Game Application 438
16.4 Using Random Numbers in the Craps Game Application 442
16.5 Wrap-Up 449

17 Flag Quiz Application 455
Introducing One-Dimensional Arrays and ComboBoxes 455
17.1 Test-Driving the Flag Quiz Application 455
17.2 Introducing Arrays 458
17.3 Declaring and Allocating Arrays 459
17.4 Constructing the Flag Quiz Application 463
17.5 Sorting Arrays 475
17.6 Wrap-Up 477

18 Introducing Two-Dimensional Arrays and RadioButtons 486
18.1 Test-Driving the Student Grades Application 486
18.2 Two-Dimensional Rectangular Arrays 488
18.3 Using RadioButtons 490
18.4 Inserting Code into the Student Grades Application 493
18.5 Wrap-Up 504

19 Microwave Oven Application 511
Building Your Own Classes and Objects 511
19.1 Test-Driving the Microwave Oven Application 512
19.2 Designing the Microwave Oven Application 514
19.3 Adding a New Class to the Project 518
19.4 Initializing Class Objects: Constructors 521
19.5 Properties 523
19.6 Completing the Microwave Oven Application 526
19.7 Controlling Access to Members 533
19.8 Using the Debugger: The Locals Window 539
19.9 Wrap-Up 542

20 Shipping Hub Application 552
Introducing Generic Collections, LINQ, For Each...Next and
Access Keys 552
20.1 Test-Driving the Shipping Hub Application 552
20.2 Package Class 555
20.3 Using Properties TabIndex and TabStop 555
20.4 Using Access Keys 557
20.5 Collections 558
20.6 Shipping Hub Application: Using Class List(Of T) 559
20.7 For Each...Next Repetition Statement 569
20.8 Language-Integrated Query (LINQ) 571
20.9 Wrap-Up 577

21 Typing Application 586
Introducing Keyboard Events, Menus, Dialogs and the Dictionary Collection 586
21.1 Test-Driving the Typing Application 586
21.2 Analyzing the Typing Application 589
21.3 Keyboard Events 590
21.4 IsNot Operator 597
21.5 Menus 598
21.6 Wrap-Up 609

22 Screen Scraping Application 619
Introducing String Processing 619
22.1 Test-Driving the Screen Scraping Application 619
22.2 Fundamentals of Strings 621
22.3 Analyzing the Screen Scraping Application 622
22.4 Locating Substrings in Strings 623
22.5 Extracting Substrings from Strings 626
22.6 Replacing Substrings in Strings 627
22.7 Other String Methods 629
22.8 Wrap-Up 631

23 Ticket Information Application 639
Introducing Sequential-Access Files 639
23.1 Test-Driving the Ticket Information Application 639
23.2 Data Hierarchy 641
23.3 Files and Streams 643
23.4 Writing to a File-Creating the Write Event Application 643
23.5 Building the Ticket Information Application 653
23.6 Using LINQ and Class File to Extract Data from a Text File 663
23.7 Wrap-Up 667

24 Address Book Application 677
Introducing Database Programming 677
24.1 Test-Driving the Address Book Application 677
24.2 Planning the Address Book Application 681
24.3 Creating Database Connections 682
24.4 Programming the Address Book Application 690
24.5 Wrap-Up 696
25 Enhanced Car Payment Calculator Application 704
Introducing Exception Handling 704

25.1 Test-Driving the Enhanced Car Payment Calculator Application 704
25.2 Introduction to Exception Handling 707
25.3 Exception Handling in Visual Basic 708
25.4 Constructing the Enhanced Car Payment Calculator Application 709
25.5 Additional Exception Handling Capabilities 715
25.6 Wrap-Up 716

26 CheckWriter Application 722
Introducing Graphics and Printing 722
26.1 Test-Driving the CheckWriter Application 722
26.2 GDI+ Introduction 724
26.3 Constructing the CheckWriter Application 725
26.4 PrintPreviewDialogs and PrintDocuments 728
26.5 Creating an Event Handler for the CheckWriter Application 728
26.6 Graphics Objects: Colors, Lines and Shapes 731
Colors 731
Drawing Lines, Rectangles and Ovals 732
26.7 Printing Each Control of the CheckWriter Application 733
26.8 Font Class 736
26.9 Previewing and Printing the Check 738
26.10 Wrap-Up 744

27 "Cat and Mouse" Painter Application 752
Introducing Graphics with Windows Presentation Foundation (WPF) and Mouse Events 752
27.1 Test-Driving the Painter Application 752
27.2 Windows Presentation Foundation (WPF) 754
27.3 XAML (Extensible Application Markup Language) 755
27.4 Creating the Painter Application's GUI in WPF 756
27.5 Constructing the Painter Application 768
27.6 Handling the MouseLeftButtonDown Event 770
27.7 Handling the MouseLeftButtonUp Event 774
27.8 Handling the MouseMove Event 775
27.9 Handling Right Mouse Button Events 777
27.10 Select Colors with RadioButtons 779
27.11 Wrap-Up 783

28 Bookstore Web Application 794
Introducing Visual Web Developer 2010 Express and the ASP.NET Development Server 794
28.1 Multitier Architecture 794
28.2 Web Servers 795
28.3 Visual Web Developer 2010 Express and the ASP.NET Development Server 797
28.4 Test-Driving the Bookstore Web Application 797
28.5 Wrap-Up 801

29 Bookstore Web Application: Client Tier 805
Introducing Web Controls 805
29.1 Analyzing the Bookstore Web Application 805
29.2 Creating ASPX Pages 806
29.3 Designing the Books.aspx Page 811
29.4 Designing the BookInformation.aspx Page 816
29.5 Wrap-Up 820

30 Bookstore Web Application: Information Tier 828
Examining the Database and Creating Database Components 828
30.1 Reviewing the Bookstore Web Application 828
30.2 Information Tier: Database 830
30.3 Connecting to the Database and Retrieving Information 830
30.4 Wrap-Up 836

31 Bookstore Application: Middle Tier 839
Introducing Code-Behind Files, Session State and ASP.NET Ajax 839
31.1 Reviewing the Bookstore Web Application 839
31.2 Programming the Books Page's Code-Behind File 841
31.3 Coding the BookInformation Page's Code-Behind File and Data Binding to the DetailsView845
31.4 ASP.NET Ajax 850
31.5 Internet and Web Resources 855
31.6 Wrap-Up 855

A Operator Precedence Chart 906
B ASCII Character Set 907
C GUI Design Guidelines 908
D Visual Basic 2010 Express Windows Form Designer Tools 913
D.1 Internet and Web Resources 917
E Keyword Chart 918
F Primitive Data Types 920