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  • Book Overview & Buying Visual Basic Quickstart Guide
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Visual Basic Quickstart Guide

Visual Basic Quickstart Guide

By : Aspen Olmsted
5 (4)
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Visual Basic Quickstart Guide

Visual Basic Quickstart Guide

5 (4)
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)
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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

Application scope

In ASP, application scope refers to a shared data storage area that persists throughout the lifetime of an ASP application. Unlike session scope, which stores data specific to each user session, application scope allows data to be shared among all users accessing the application. The data stored in the application scope is available to all users, regardless of their sessions.

The application scope is used when you must maintain consistent global or shared data across all user sessions and requests. Everyday use cases for the application scope include storing configuration settings, shared resources, or any data that should be accessed and updated globally across the entire application.

Here’s a basic overview of how the application scope works in ASP:

  • Data initialization: When the ASP application starts, you can use the Application object to initialize and store data in the application scope. This is typically done in the global.asa file or in...
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Visual Basic Quickstart Guide
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