Belajar Logika dan Pemrograman

Public Class Form1

Private Sub BtnHitung_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BtnHitung.Click
LblVolume.Text = 22 / 7 * TxtJari.Text * TxtTinggi.Text
End Sub

Private Sub BtnKosong_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BtnKosong.Click
TxtJari.Text = " "
TxtTinggi.Text = " "
LblVolume.Text = " "
TxtJari.Focus()

End Sub
End Class