Sams Teach Yourself Visual Basic 6 in 24 Hours

By Greg Perry

• Table of Contents
  • Copyright
  • About the Author
  • Acknowledgments
  • Introduction
  • Who Should Read This Book
  • What This Book Will Do for You
  • Can This Book Really Teach Visual Basic in 24 Hours?
  • What You Need
  • Files on the Visual Basic Distribution CD-ROM
  • Conventions Used in This Book
  • Enough! Time Is Ticking!
  • Part I: Introducing Visual Basic
  • Hour 1. Visual Basic at Work
  • Hour 2.Analyzing Visual Basic Programs
  • Hour 3.Controls and Properties
  • Hour 4.Examining Labels, Buttons, and Text Boxes
  • Part II: Coding the Details
  • Hour 5.Putting Code into Visual Basic
  • Hour 6.Message and Input Boxes
  • Hour 7.Making Decisions
  • Hour 8.Visual Basic Looping
  • Part III:Putting Code to Work
  • Hour 9.Combining Code and Controls
  • Hour 10.List Boxes and Data Lists
  • Hour 11.Additional Controls
  • Hour 12.Dialog Box Basics
  • Part IV:Programming with Data
  • Hour 13.Modular Programming
  • Hour 14.Built-In Functions Save Time
  • Hour 15.Visual Basic Database Basics
    • File Concepts
    • Introduction to Database Processing
    • The Data Form Wizard
    • Summary
    • Q&A
    • Workshop
  • Hour 16.Printing with Visual Basic
  • Part V:Sprucing Up Programs
  • Hour 17.Menus and Visual Basic
  • Hour 18.The Graphic Image Controls
  • Hour 19.Toolbars and More Graphics
  • Hour 20.Writing Correct Applications
  • Part VI:Advancing Visual Basic Applications
  • Hour 21.Visual Basic and ActiveX
  • Hour 22.Object Basics
  • Hour 23.Distributing Your Applications
  • Hour 24.Online Visual Basic
  • Part VII:Appendixes
  • Appendix A.Operator Precedence
  • Appendix B.Answers
  • Appendix C.Using the CD-ROM

Workshop

The quiz questions and exercises are provided for your further understanding. See Appendix B for the answers.

Quiz

1. What is the difference between a file and a database?

2. What is the difference between a record and a field?

3. What is the difference between a table and a file?

4. What happens if you open an existing file in Output mode?

5. What happens when you write to a file in Append mode?

6. Which files does the following statement close?

   Close
   

7. True or false: Your form must contain a different Data control for every table in the database.

8. What advantage does a bound text box provide for the programmer who wants to write an application that lets the user update a database field?

9. A database field is a Yes/No Access data field that can only take one of two values. Which Visual Basic control would best serve to represent that field?

10. What's the simplest way to create a form based on a database?

Exercises

1. Write an application that stores the names of your five favorite friends, their ages, and their phone numbers in five records in a disk file. Use Write # to write each three-value record and Input # to read each record. Call the data-entry and file-writing procedures from one procedure and the file-reading and display procedure from another procedure.
2. Write a database application that displays the Biblio.mdb's book title table's first three fields. Don't let the user update the fields; you must be careful what kind of controls you use to display the field data.
3. Use the Data Form Wizard to generate a table based on the entire Biblio.mdb's book title table. Connect the generated form to a command button's Click() event on the main form so that the data form appears for the user when the user clicks the command button.

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