Yuk! Belajar Pemrograman Visual Basic dot Net Di Mesran.Net

LISTING PROGRAM NO.1

Public Class Form2

    Private Sub Form2_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

        T_pelanggan.Items.Add("Toko")

        T_pelanggan.Items.Add("Rumah")

        T_pelanggan.Items.Add("swalayan")

        T_pelanggan.Items.Add("Pabrik")

        k_d.Items.Add("Med")

        k_d.Items.Add("Bel")

        k_d.Items.Add("Tem")

        k_d.Items.Add("Mar")

        k_d.Items.Add("Bin")

        k_d.Items.Add("Pak")

        buattabel()

    End Sub

    Sub buattabel()

        lv.Columns.Add(" Kode Daerah", 80, HorizontalAlignment.Left)

        lv.Columns.Add(" Nama Daerah", 100, HorizontalAlignment.Left)

        lv.Columns.Add(" Tipe pelanggan", 90, HorizontalAlignment.Left)

        lv.Columns.Add(" Biaya Beban", 90, HorizontalAlignment.Left)

        lv.Columns.Add(" Harga/KWH", 80, HorizontalAlignment.Left)

        lv.Columns.Add(" Meter bulan ini", 80, HorizontalAlignment.Left)

        lv.Columns.Add(" Meter Bulan Lalu", 98, HorizontalAlignment.Left)

        lv.Columns.Add(" Jumlah Pemakain", 90, HorizontalAlignment.Left)

        lv.Columns.Add(" Besar pemakaian", 95, HorizontalAlignment.Left)

        lv.Columns.Add(" Total tagihan", 90, HorizontalAlignment.Left)

        lv.Columns.Add(" Pajak", 70, HorizontalAlignment.Left)

        lv.Columns.Add(" Pembayaran", 50, HorizontalAlignment.Left)

        lv.View = View.Details

        lv.GridLines = True

        lv.FullRowSelect = True

    End Sub

    Sub isitabel()

        Dim lst As New ListViewItem

        lst.Text = N_daerah.Text

        lst.SubItems.Add(T_pelanggan.Text)

        lst.SubItems.Add(B_beban.Text)

        lst.SubItems.Add(Harga.Text)

        lst.SubItems.Add(bulanini.Text)

        lst.SubItems.Add(bulanlalu.Text)

        lst.SubItems.Add(J_pemakaian.Text)

        lst.SubItems.Add(B_pemakaian.Text)

        lst.SubItems.Add(T_tagihan.Text)

        lst.SubItems.Add(Pajak.Text)

        lst.SubItems.Add(Pembayaran.Text)

        lv.Items.Add(lst)

    End Sub

    Private Sub T_pelanggan_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles T_pelanggan.SelectedIndexChanged

        Dim y As String

        y = Microsoft.VisualBasic.Left(T_pelanggan.Text, 3)

        Select Case y

            Case "Tok" : B_beban.Text = "150000"

            Case "Rum" : B_beban.Text = "50000"

            Case "swa" : B_beban.Text = "400000"

            Case "Pab" : B_beban.Text = "1000000"

        End Select

        Dim z As String

        z = Microsoft.VisualBasic.Left(T_pelanggan.Text, 1)

        Select Case z

            Case "T" : Harga.Text = "500"

            Case "R" : Harga.Text = "200"

            Case "s" : Harga.Text = "1500"

            Case "P" : Harga.Text = "10000"

        End Select

        Dim w As String

        w = Microsoft.VisualBasic.Mid(k_d.Text, 1)

        Select w

            Case "Med" : N_daerah.Text = "Medan"

            Case "Bel" : N_daerah.Text = "Belawan"

            Case "Tem" : N_daerah.Text = "Aksara"

            Case "Mar" : N_daerah.Text = "Marendal"

            Case "Bin" : N_daerah.Text = "Binjai"

            Case "Pak" : N_daerah.Text = "Lubuk pakam"

        End Select

    End Sub

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

        T_tagihan.Text = Val(B_beban.Text) + Val(Harga.Text) * Val(B_pemakaian.Text)

        J_pemakaian.Text = Val(bulanini.Text) + Val(bulanlalu.Text)

        Pajak.Text = 0.015 * T_tagihan.Text

        Pembayaran.Text = Val(T_tagihan.Text) + Val(Pajak.Text)

        B_pemakaian.Text = Val(bulanlalu.Text) - Val(bulanini.Text)

    End Sub

    Private Sub Btnsimpan_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Btnsimpan.Click

        isitabel()

        N_daerah.Text = ""

        T_pelanggan.Text = ""

        B_beban.Text = ""

        Harga.Text = ""

        bulanini.Text = ""

        bulanlalu.Text = ""

        J_pemakaian.Text = ""

        B_pemakaian.Text = ""

        T_tagihan.Text = ""

        Pajak.Text = ""

        Pembayaran.Text = ""

    End Sub

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

        lv.Items.Clear()

    End Sub

    Private Sub Btnhapusdata_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Btnhapusdata.Click

        lv.Items.Remove(lv.SelectedItems(0))

    End Sub

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

        End

    End Sub

End Class

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