TUGAS 2 PAK MESRAN

Listing program
 Public Class Form1

    Private Sub koba_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles koba.SelectedIndexChanged
        Dim x As String
        Microsoft.VisualBasic.Left(koba.Text, 2)
        x = Microsoft.VisualBasic.Left(koba.Text, 2)
        If x = "TS" Then
            merk.Text = "Toshiba"
        ElseIf x = "VG" Then
            merk.Text = "V-Gen"
        End If
        x = Microsoft.VisualBasic.Right(koba.Text, 3)
        If x = "001" Then
            naba.Text = "Flashdisk 4 GB"
        ElseIf x = "002" Then
            naba.Text = "Flashdisk 2 GB"
        End If
        If koba.Text = "TS001" Then
            harga.Text = 105000
        ElseIf koba.Text = "TS002" Then
            harga.Text = 75000
        ElseIf koba.Text = "VG001" Then
            harga.Text = 90000
        ElseIf koba.Text = "VG002" Then
            harga.Text = 60000
        End If
    End Sub

    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        koba.Items.Add("TS001")
        koba.Items.Add("TS002")
        koba.Items.Add("VG001")
        koba.Items.Add("VG002")
        buattabel()
    End Sub
    Sub buattabel()
        lv.Columns.Add("No Pembelian", 85, HorizontalAlignment.Center)
        lv.Columns.Add("Kode Barang", 75, HorizontalAlignment.Center)
        lv.Columns.Add("Nama Barang", 85, HorizontalAlignment.Center)
        lv.Columns.Add("Merk", 50, HorizontalAlignment.Center)
        lv.Columns.Add("Harga", 50, HorizontalAlignment.Center)
        lv.Columns.Add("Jumlah Beli", 75, HorizontalAlignment.Center)
        lv.Columns.Add("Total Harga", 100, HorizontalAlignment.Center)
        lv.View = View.Details
        lv.GridLines = True
        lv.FullRowSelect = True
    End Sub
    Sub isitabel()
        Dim lst As New ListViewItem
        lst.Text = np.Text
        lst.SubItems.Add(koba.Text)
        lst.SubItems.Add(naba.Text)
        lst.SubItems.Add(merk.Text)
        lst.SubItems.Add(harga.Text)
        lst.SubItems.Add(jumlah.Text)
        lst.SubItems.Add(total.Text)
        lv.Items.Add(lst)
    End Sub
    Private Sub btnsimpan_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnsimpan.Click
        isitabel()
        np.Text = ""
        koba.Text = ""
        naba.Text = ""
        merk.Text = ""
        harga.Text = ""
        jumlah.Text = ""
        total.Text = ""
    End Sub
    Private Sub btnsemua_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnsemua.Click
        np.Text = ""
        koba.Text = ""
        naba.Text = ""
        merk.Text = ""
        harga.Text = ""
        jumlah.Text = ""
        total.Text = ""
    End Sub

    Private Sub btnkeluar_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnkeluar.Click
        End
    End Sub

    Private Sub btnbersih_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnbersih.Click
        lv.Items.Clear()
    End Sub

    Private Sub btnpilih_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnpilih.Click
        lv.Items.Remove(lv.SelectedItems(0))
    End Sub

    Private Sub jumlah_KeyDown(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyEventArgs) Handles jumlah.KeyDown
        If e.KeyCode = Keys.Enter Then
            total.Text = jumlah.Text * harga.Text
        End If
    End Sub
End Class

Hasil Program