Protected Sub btnhitung_Click(sender As Object, e As EventArgs) Handles btnhitung.Click
Textsisapembayaran.Text = Texttotal.Text - Textuangmuka.Text
Dim nilai As Double
nilai = Textsisapembayaran.Text
If nilai <= 0 Then
Textsisapembayaran.Text = "LUNAS"
End If
End Sub