Program Perkalian Dengan Looping Pada Visual Studio 2008

gambar diatas adalah tampilan untuk program yang akan di buat , untuk propertiesnya silahkan di sesuaikan sendiri

Syntax :::

Imports System.IO

Public Class Form1
Private Sub Button4_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button4.Click

Close()

End Sub

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click

Dim i, a, n, kali As Integer
Dim hasil

a = TextBox2.Text
n = TextBox3.Text
kali = TextBox1.Text

hasil = ""

For i = a To n
hasil = hasil & kali & " x " & i & vbTab & " = " & kali * i & vbCrLf

Next

TextBox4.Text = hasil

End Sub

Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click

TextBox1.Clear()
TextBox2.Clear()
TextBox3.Clear()
TextBox4.Clear()

End Sub

Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click

Dim outputfile As StreamWriter

Try

outputfile = New StreamWriter("D:\PerkalianLooping.txt", True)
Catch

MessageBox.Show("Error Writing File...")

End Try

Try

outputfile.WriteLine(Now())
outputfile.WriteLine(TextBox4.Text)
outputfile.WriteLine()
outputfile.WriteLine()
outputfile.Dispose()
MessageBox.Show("Data Sudah Disimpan . . .")

Catch

MessageBox.Show("Sorry! Error Writing File...")

End Try

End Sub

End Class