Visual Basic Projects With Source Code Apr 2026

txtDisplay.Text = result.ToString() currentInput = result.ToString() End Sub

Private Sub btnAdd_Click(sender As Object, e As EventArgs) Handles btnAdd.Click If txtTask.Text.Trim() <> "" Then lstTasks.Items.Add(txtTask.Text) txtTask.Clear() SaveTasks() End If End Sub visual basic projects with source code

Private Sub Form1_Load(sender As Object, e As EventArgs) Handles MyBase.Load conn = New SQLiteConnection(connectionString) conn.Open() ' Create table if not exists Dim cmd As New SQLiteCommand("CREATE TABLE IF NOT EXISTS Students (ID INTEGER PRIMARY KEY AUTOINCREMENT, Name TEXT, Grade INTEGER)", conn) cmd.ExecuteNonQuery() LoadData() End Sub txtDisplay

Private Sub Form1_Load(sender As Object, e As EventArgs) Handles MyBase.Load ' Load tasks from file on startup If File.Exists(tasksFile) Then Dim lines() As String = File.ReadAllLines(tasksFile) For Each line In lines lstTasks.Items.Add(line) Next End If End Sub 2) As String ' "X"

Select Case operation Case "+" : result = firstNumber + secondNumber Case "-" : result = firstNumber - secondNumber Case "*" : result = firstNumber * secondNumber Case "/" : result = firstNumber / secondNumber End Select

Private Sub btnDelete_Click(sender As Object, e As EventArgs) Handles btnDelete.Click If lstTasks.SelectedItem IsNot Nothing Then lstTasks.Items.Remove(lstTasks.SelectedItem) SaveTasks() End If End Sub

Public Class TicTacToe Dim board(2, 2) As String ' "X", "O", or "" Dim currentPlayer As String = "X" Dim gameActive As Boolean = True Private Sub Button_Click(sender As Object, e As EventArgs) Handles btn00.Click, btn01.Click, btn02.Click, btn10.Click, btn11.Click, btn12.Click, btn20.Click, btn21.Click, btn22.Click Dim btn As Button = CType(sender, Button) Dim row As Integer = CInt(btn.Tag.ToString().Substring(0, 1)) Dim col As Integer = CInt(btn.Tag.ToString().Substring(1, 1))