Kasus Pemrograman Pemakaian Listrik

Berikut Jawaban Perogram

Listing Program :

Public Class Form1
Sub BuatTable()
LV.Columns.Add(“Urut”, 70, HorizontalAlignment.Center)
LV.Columns.Add(“Kode Daerah”, 70, HorizontalAlignment.Center)
LV.Columns.Add(“Nama Daerah”, 70, HorizontalAlignment.Center)
LV.Columns.Add(“Kode Pelanggan”, 70, HorizontalAlignment.Center)
LV.Columns.Add(“Tipe Pelanggan”, 70, HorizontalAlignment.Center)
LV.Columns.Add(“Beban”, 70, HorizontalAlignment.Center)
LV.Columns.Add(“Harga per KWH”, 70, HorizontalAlignment.Center)
LV.Columns.Add(“Meter Bulan Ini”, 70, HorizontalAlignment.Center)
LV.Columns.Add(“Meter Bulan Lalu”, 70, HorizontalAlignment.Center)
LV.Columns.Add(“Besar Pemakaian”, 70, HorizontalAlignment.Center)
LV.Columns.Add(“Pajak”, 70, HorizontalAlignment.Center)
LV.Columns.Add(“Total Tagihan”, 70, HorizontalAlignment.Right)
LV.View = View.Details
LV.GridLines = True
LV.FullRowSelect = True
End Sub
Sub IsiTable()
Dim lst As New ListViewItem
lst.Text = urut.Text
lst.SubItems.Add(kode.Text)
lst.SubItems.Add(nama.Text)
lst.SubItems.Add(kodep.Text)
lst.SubItems.Add(tipe.Text)
lst.SubItems.Add(beban.Text)
lst.SubItems.Add(harga.Text)
lst.SubItems.Add(ini.Text)
lst.SubItems.Add(lalu.Text)
lst.SubItems.Add(besar.Text)
lst.SubItems.Add(pajak.Text)
lst.SubItems.Add(total.Text)
LV.Items.Add(lst)
End Sub
Private Sub kode_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles kode.SelectedIndexChanged
If kode.Text = “MED” Then
nama.Text = “MEDAN”
ElseIf kode.Text = “BEL” Then
nama.Text = “BELAWAN”
ElseIf kode.Text = “TEM” Then
nama.Text = “AKSARA”
ElseIf kode.Text = “MAR” Then
nama.Text = “MARENDAL”
ElseIf kode.Text = “BIN” Then
nama.Text = “BINJAI”
ElseIf kode.Text = “PAK” Then
nama.Text = “LUBUK PAKAM”
End If
End Sub
Private Sub Form1_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles MyBase.Load
BuatTable()
kode.Items.Add(“MED”)
kode.Items.Add(“BEL”)
kode.Items.Add(“TEM”)
kode.Items.Add(“MAR”)
kode.Items.Add(“BIN”)
kode.Items.Add(“PAK”)
kodep.Items.Add(“TOK”)
kodep.Items.Add(“RUM”)
kodep.Items.Add(“SWA”)
kodep.Items.Add(“PAB”)
End Sub
Private Sub tipe_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles tipe.TextChanged
End Sub
Private Sub kodep_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles kodep.SelectedIndexChanged
If kodep.Text = “TOK” Then
tipe.Text = “TOKO”
beban.Text = “150000″
harga.Text = “500″
ElseIf kodep.Text = “RUM” Then
tipe.Text = “RUMAH”
beban.Text = “50000″
harga.Text = “200″
ElseIf kodep.Text = “SWA” Then
tipe.Text = “SWALAYAN”
beban.Text = “400000″
harga.Text = “1500″
ElseIf kodep.Text = “PAB” Then
tipe.Text = “PABRIK”
beban.Text = “1000000″
harga.Text = “10000″
End If
End Sub
Private Sub proses_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles proses.Click
besar.Text = ini.Text – lalu.Text
total.Text = beban.Text + harga.Text * besar.Text
pajak.Text = total.Text / 100 * 1.5
End Sub
Private Sub keluar_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles keluar.Click
End
End Sub
Private Sub simpan_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles simpan.Click
IsiTable()
urut.Text = “”
kode.Text = “”
nama.Text = “”
kode.Text = “”
tipe.Text = “”
beban.Text = “”
harga.Text = “”
ini.Text = “”
lalu.Text = “”
besar.Text = “”
pajak.Text = “”
total.Text = “”
End Sub
Private Sub pilih_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles pilih.Click
LV.Items.Remove(LV.SelectedItems(0))
End Sub
Private Sub semua_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles semua.Click
LV.Items.Clear()
End Sub
End Class

Tampilan Program :