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πŸ‘·β€β™€οΈ Β Professionals

Welcome, curious minds! Today, we're going to embark on an enthralling exploration of VB.NET, one of the most versatile and expressive programming languages out there. Prepare to have your mind blown as we unravel the shimmering tapestry of nuances, history, and applications that make this language an unparalleled treasure trove in the world of computing.

The Birth of VB.NET: Rewriting History πŸ“”

VB.NET's origin story traces back to Basic (Beginners' All-purpose Symbolic Instruction Code) which was created in 1964 by John Kemeny and Thomas Kurtz. What began as a simple, user-friendly language continued to evolve, and Microsoft eventually gave birth to Visual Basic in 1991. But hold your horses! The evolution doesn't stop there.

Enter .NET Framework in 2002, and VB.NET was born as an object-oriented powerhouse, rising like a phoenix from the legacy of the preceding language. Its arrival marked a crucial transition point where language interoperability, memory management, and security came to the forefront.

One could think of VB.NET as Visual Basic's more sophisticated cousin, boasting robust features such as support for inheritance, exception handling, multi-threading, and delegates.

Language Features: Where VB.NET Shines 🌞

Syntax and Readability πŸ“–

VB.NET takes pride in its readability. It's designed to be self-explanatory and easy on the eyes. It uses English-like keywords, making it a breeze for beginners to pick up and understand:

Console.WriteLine("Hello, world!")

Language Interoperability βš™οΈ

VB.NET is part of the .NET family, providing seamless integration with other languages in the .NET ecosystem such as C# and F#. Whether you're working on multi-language projects or writing individual components, VB.NET plays well with its siblings.

' VB.NET Class
Public Class VBNetClass
    Public Sub Hello()
        Console.WriteLine("Hello from VB.NET!")
    End Sub
End Class

// C# Class
public class CSharpClass
    public void Hello()
        Console.WriteLine("Hello from C#!");

// Interoperability (C# calling VB.NET)
VBNetClass vbObj = new VBNetClass();

// Interoperability (VB.NET calling C#)
Dim csObj As New CSharpClass()

Late Binding and Optional Parameters 🌚

VB.NET allows late binding where the object type is determined at runtime, offering flexibility in code:

Option Strict Off
Dim dynamicObj As Object = New Foo()
dynamicObj.Bar() ' Calls Bar() on Foo class.

Additionally, VB.NET supports optional parameters with default values right in the method signature:

Public Sub PrintGreeting(Optional ByVal greeting As String = "Hello")
End Sub

XML Literals πŸ“ƒ

VB.NET allows you to directly include XML literals in your codeβ€”a handy feature when working with XML data:

Dim books As XElement = _
    <book title="The Catcher in the Rye" author="J.D. Salinger" />
    <book title="To Kill a Mockingbird" author="Harper Lee" />

Embracing the .NET Ecosystem πŸ‘«

VB.NET, being a part of the .NET family, harmoniously coexists and benefits from the ecosystem's frameworks and libraries. Here are some notable mentions that let you unleash the power of VB.NET:

Windows Forms πŸͺŸ

Windows Forms lets you create visually stunning, event-driven desktop applications with VB.NET:

Imports System.Windows.Forms

Public Class MainForm
    Inherits Form

    Public Sub New()
        Text = "Hello, world!"
        StartPosition = FormStartPosition.CenterScreen
    End Sub

    Public Shared Sub Main()
        Application.Run(New MainForm())
    End Sub
End Class


ASP.NET brings the magic of VB.NET to web development, enabling you to create fast and dynamic web pages:

<%@ Page Language="VB" %>

<!DOCTYPE html>
    <title>ASP.NET with VB.NET</title>
    <form runat="server">
        <asp:Label ID="GreetingLabel" runat="server" Text="" />
        <br />
        <asp:Button ID="GreetButton" runat="server" Text="Click me!" OnClick="GreetButton_Click" />

' Code-behind (VB.NET)
Protected Sub GreetButton_Click(ByVal sender As Object, ByVal e As EventArgs)
    GreetingLabel.Text = "Hello from ASP.NET and VB.NET!"
End Sub

Entity Framework πŸ’Ύ

Entity Framework makes database operations a walk in the park, with its object-relational mapping capabilities:

' Define your entity class
Public Class Book
    Public Property Id As Integer
    Public Property Title As String
    Public Property Author As String
End Class

' Define your DbContext derived class
Public Class LibraryContext
    Inherits DbContext

    Public Property Books As DbSet(Of Book)
End Class

' Perform CRUD operations
Using ctx As New LibraryContext()
    ' Add a book
    ctx.Books.Add(New Book With {.Title = "1984", .Author = "George Orwell"})

    ' Query books
    Dim books = ctx.Books.ToList()
End Using

Final Thoughts πŸ’­

VB.NET stands strong as a versatile player in the world of programming languages. With its expressive syntax, interoperability, and seamless integration with the .NET ecosystem, it continues to provide an engaging and powerful platform for developers seeking rich functionality and readability.

So, go forth and explore the mesmerizing maze of VB.NET! There's no limit to the wonders you'll discover in this enchanting language. is a collection of articles on a variety of technology and programming articles assembled by James Padolsey. Enjoy! And please share! And if you feel like you can donate here so I can create more free content for you.