Learn VBNET with Real Code Examples

Updated Nov 19, 2025

Explain

VB.NET is a high-level, managed language running on the .NET CLR.

It is used for developing Windows Forms, WPF, ASP.NET applications, and libraries.

Supports OOP, event-driven programming, and integration with .NET libraries.

Core Features

Classes, interfaces, modules

LINQ support

Async/await for asynchronous programming

Exception handling (Try/Catch/Finally)

Properties, events, delegates

Basic Concepts Overview

Variables and data types

Subroutines and Functions

Classes, Objects, and Inheritance

Events and Delegates

Error handling with Try/Catch

Project Structure

Solution file (.sln)

Project file (.vbproj)

Forms (.vb)

Modules & Classes

App.config and resource files

Building Workflow

Create a new VB.NET project

Write classes and forms

Add event handlers for UI elements

Build and run in Visual Studio

Deploy via ClickOnce or MSI

Difficulty Use Cases

Beginner: Console apps

Intermediate: Windows Forms apps

Advanced: ASP.NET apps & web services

Expert: Enterprise integrations & custom libraries

Comparisons

Simpler syntax than C# for beginners

Less modern than C# for cross-platform apps

Better for rapid WinForms development

Not ideal for microservices

Still supported for enterprise internal apps

Versioning Timeline

2002 – VB.NET 7.0 (first .NET version)

2003 – VB.NET 7.1

2005 – VB.NET 8.0 (VS 2005)

2008 – VB.NET 9.0 (LINQ support)

2020–2025 – VB.NET on .NET 5/6/7

Glossary

CLR: Common Language Runtime

Form: UI window

Event: User interaction or system signal

Delegate: Type-safe callback

Module: Code container