Vb.net Sample Programs With Source Code Jun 2026

Public Class FileEditorForm Private Sub btnSave_Click(sender As Object, e As EventArgs) Handles btnSave.Click Using saveDialog As New SaveFileDialog() saveDialog.Filter = "Text Files| .txt|All Files| .*" If saveDialog.ShowDialog() = DialogResult.OK Then Using writer As New StreamWriter(saveDialog.FileName) writer.Write(RichTextBox1.Text) End Using MessageBox.Show("File saved successfully.") End If End Using End Sub

Treat every VB.NET sample on the internet as suspicious until you’ve modernized and secured it yourself.

Console.WriteLine("List of Fruits:")

Imports System.Data.SqlClient

Module FileApp Sub Main() Dim path As String = Dim content As String = vb.net sample programs with source code

Install Visual Studio Community (free) and ensure the .NET Desktop Development workload is selected.

Before diving into the code, let's understand why sample programs are the best teachers: Label1 : To display the result

VB.NET sample programs are excellent for learning fundamentals (event-driven programming, .NET syntax, basic algorithms) but dangerous as modern architectural templates . The ecosystem is saturated with beginner-to-intermediate examples, yet severely lacking in advanced, production-grade patterns.

A Windows Forms application allows for event-driven programming where user actions (like clicking a button) trigger specific code. TextBox1 & TextBox2 : For inputting numbers. Label1 : To display the result. Button1 : To perform the addition. Source Code (Form1.vb): yet severely lacking in advanced