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Lesson 24 Errors Handling



Visual Basic 2017 has improved a lot in its built-in errors handling capabilities compared to Visual Basic 6. For example, when the user attempts to divide a number by zero, Visual Basic 2017 will not return an error message but gives the ‘infinity’ as the answer (although this is mathematically incorrect because it should be undefined)

Visual Basic 2017 still supports the vb6 errors handling syntax, that is the On Error GoTo program_label structure. The syntax for errors handling is

On Error GoTo program_label

The new errors handling algorithm in VB2017 is Try...Catch...End Try

To learn the essential steps in errors handling, we suggest you get hold a copy of Visual Basic 2017 Made Easy.

Price: $30.00

AUTHOR: DR. LIEW VOON KIONG

Visual Basic 2017 Made Easy is written by Dr. Liew, the webmaster of our popular online Visual Basic Tutorial, vbtutor.net. This book is a complete guide to mastering Visual Basic 2017, from beginner to intermediate programmers.  This book has been written to complement our free online Visual Basic 2017 tutorial with much more content. It is also an excellent reference text for high school or college-level computer science courses.  Reading this book will allow you to:  
  1. Understand the basic concepts of Visual Basic 2017 programming
  2. Create your own Visual Basic 2017 applications from scratch
  3. Get inspiration from a variety of interesting sample programs
  4. Modify the code samples easily to suit your needs
  5. Learn how to package and distribute your applications

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