4. If Statemenets

This tutorial will help you understand what an If Statement is. If Statements will help your application decide what to do in a given situation.

Code

Public Class Form1

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        If TextBox1.Text = "hello" Then
            Label1.Text = "world"
        End If
    End Sub

End Class