Book Image

Visual Basic Quickstart Guide

By : Aspen Olmsted
Book Image

Visual Basic Quickstart Guide

By: Aspen Olmsted

Overview of this book

Whether you’re an absolute beginner or an experienced developer looking to learn the Visual Basic language, this book takes a hands-on approach to guide you through the process. From the very first chapters, you'll delve into writing programs, exploring core concepts such as data types, decision branching, and iteration. Additionally, you’ll get to grips with working with data structures, file I/O, and essential object-oriented principles like inheritance and polymorphism. This book goes beyond the basics to equip you with the skills to read and write code across the entire VB family, spanning VB Script, VBA, VB Classic, and VB.NET, enabling you to handle legacy code maintenance with ease. With clear explanations, practical examples, and hands-on exercises, this book empowers you to tackle real-world software development tasks, whether you're enhancing existing projects or embarking on new ones. It addresses common challenges like distinguishing between the variations of the VB programming language to help you choose the right one for your projects. Don't let VB's extensive legacy daunt you; embrace it with this comprehensive guide that equips you with practical, up-to-date coding skills to overcome the challenges presented by Visual Basic's rich history of over two decades.
Table of Contents (27 chapters)
Free Chapter
1
Part 1:Visual Basic Programming and Scripting
9
Part 2:Visual Basic Files and Data Structures
14
Part 3:Object-Oriented Visual Basic
20
Part 4:Server-Side Development

Coding an ASP.NET calculator with Visual Studio

The following steps will allow you to code and execute an ASP.NET web page that displays Hello World:

  1. Start Microsoft Visual Studio 2019.
  2. Choose Create New Project.
  3. Choose ASP.NET Web Application and click Next.
  4. Accept the default project name and solution name.
  5. Change the location if you prefer your code in a different folder.
  6. Accept the default framework.
  7. Click Create Project.
  8. Choose Web Forms.
  9. When the designer loads, navigate to the solution explorer and right-click on the solution.
  10. Choose Add Item from the pop-up menu.
  11. Choose Web Form Visual Basic.
  12. Right-click on the ASPX source and choose View Code from the pop-up menu.
  13. Enter the VB.NET code from the preceding code example that falls in the Page_load procedure.
  14. Create class files for each class described, ensuring the filename is the same as the name of the class with an extension of vb.
  15. To run your program, click the...