tugas no 2

listing program :

Public Class Form1

    Sub buattabel()

        LV.Columns.Add("no pembelian", 100, HorizontalAlignment.Center)

        LV.Columns.Add("kode barang", 100, HorizontalAlignment.Left)

        LV.Columns.Add("nama barang", 100, HorizontalAlignment.Left)

        LV.Columns.Add("merk", 80, HorizontalAlignment.Left)

        LV.Columns.Add("harga", 80, HorizontalAlignment.Left)

        LV.Columns.Add("jumlah beli", 100, HorizontalAlignment.Left)

        LV.Columns.Add("total harga", 100, HorizontalAlignment.Left)

        lv.View = View.Details

        LV.GridLines = True

        lv.FullRowSelect = True

    End Sub

    Sub isitabel()

        Dim lst As New ListViewItem

        lst.Text = nopembelian.Text

        lst.SubItems.Add(kode.Text)

        lst.SubItems.Add(namabarang.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()

        nopembelian.Text = ""

        kode.Text = ""

        namabarang.Text = ""

        merk.Text = ""

        harga.Text = ""

        Jumlah.Text = ""

        Total.Text = ""

        nopembelian.Focus()

    End Sub

    Private Sub pembelianbarang_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

      

        buattabel()

        kode.Items.Add("TS001")

        kode.Items.Add("TS002")

        kode.Items.Add("VG001")

        kode.Items.Add("VG002")

    End Sub

    Sub clearisian()

        nopembelian.Clear()

        kode.Text = ""

        NamaBarang.Text = ""

        Merk.Text = ""

        Harga.Text = ""

        Jumlah.Text = ""

        Total.Text = ""

        nopembelian.Focus()

    End Sub

    Private Sub btnhapus_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Btnhapus.Click

        If LV.SelectedItems.Count <> 0 Then

            LV.Items.Remove(LV.SelectedItems(0))

        Else

            MsgBox("maaf anda belum memilih yang mana mau di hapus")

        End If

    End Sub

    Private Sub kodebarang_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles kode.SelectedIndexChanged

        Dim x As String

        Dim i As String

        x = Microsoft.VisualBasic.Left(kode.Text, 2)

        i = Microsoft.VisualBasic.Right(kode.Text, 3)

        Select Case x & i

            Case "TS" & "001" : Merk.Text = "Toshiba"

                NamaBarang.Text = "Flashdisk4GB" : Harga.Text = 105000

            Case "TS" & "002" : Merk.Text = "Toshiba"

                NamaBarang.Text = "Flashdisk2GB" : Harga.Text = 75000

                Harga.Text = 105000

            Case "VG" & "001" : Merk.Text = "V-Gen"

                NamaBarang.Text = "Flashdisk4GB" : Harga.Text = 90000

            Case "VG" & "002" : Merk.Text = "V-Gen"

                NamaBarang.Text = "Flashdisk2GB" : Harga.Text = 60000

        End Select

    End Sub

    Private Sub btnhapussemua_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Btnhapussemua.Click

        lv.Items.Clear()

    End Sub

    Private Sub btnproses_Click(ByVal sender As System.Object, ByVal e As System.EventArgs)

        Total.Text = Harga.Text * Jumlah.Text

    End Sub

    Private Sub Btnbersih_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Btnbersih.Click

        Call clearisian()

    End Sub

    Private Sub Jumlah_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Jumlah.TextChanged

        Total.Text = Val(Harga.Text) * Val(Jumlah.Text)

    End Sub

    Private Sub Btnkeluar_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Btnkeluar.Click

        End

    End Sub

End Class

hasil program :