Minggu, 02 Juni 2013

yuk belajar membuat pemrograman visual basic di mesran.blogspot.com

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Selesaikanlah Kasus Berikut:
Buatlah program untuk menampilkan hasil ke listview untuk kasus Latihan Listview Perhitungan Penjualan Barang
Berikut Jawaban Program: 


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Setelah Design programnya,lalu  akan membuat Listing Programnya Seperti berikut:

Public Class Form1
    Private Sub Kode_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Kode.SelectedIndexChanged
        Dim x, x1 As String
        x = Microsoft.VisualBasic.Left(Kode.Text, 2)
        x1 = Microsoft.VisualBasic.Right(Kode.Text, 3)
        Select Case x
            Case "TS" : merk.Text = "Toshiba"
            Case "VG" : merk.Text = "V-Gen"

        End Select
        Select Case x1
            Case "001" : Nama.Text = "Flashdisk 4 Gbyte"
            Case "002" : Nama.Text = "Flashdisk 2 Gbyte"
        End Select
        If x = "TS" And x1 = "001" Then
            Harga.Text = 105000
        ElseIf x = "TS" And x1 = "002" Then
            Harga.Text = 75000
        ElseIf x = "VG" And x1 = "001" Then
            Harga.Text = 90000
        ElseIf x = "VG" And x1 = "002" Then
            Harga.Text = 60000
        Else
            Harga.Text = 0
        End If

    End Sub
Private Sub Tot_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Tot.TextChanged
        Tot.Text = Val(Harga.Text) * Val(jlh.Text)
    End Sub

    Private Sub jlh_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles jlh.KeyPress
        Dim x2 As Integer = Asc(e.KeyChar)
        If x2 = 13 Then
            Tot.Text = Val(Harga.Text) * Val(jlh.Text)
        End If
    End Sub

    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        BuatTabel()
    End Sub
    Sub BuatTabel()
        List.Columns.Add("No Pembelian", 80, HorizontalAlignment.Center)
        List.Columns.Add("Kode Barang", 180, HorizontalAlignment.Center)
        List.Columns.Add("Nama Barang", 180, HorizontalAlignment.Center)
        List.Columns.Add("Merk", 80, HorizontalAlignment.Center)
        List.Columns.Add("Harga", 80, HorizontalAlignment.Center)
        List.Columns.Add("Jumlah Beli", 80, HorizontalAlignment.Center)
        List.Columns.Add("Total Harga", 80, HorizontalAlignment.Center)
        List.View = View.Details

    End Sub

    Private Sub Simpan_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Simpan.Click
        IsiTabel()
    End Sub
    Sub IsiTabel()
        Dim lst As New ListViewItem
        lst.Text = Kode.Text
        lst.SubItems.Add(Nmr.Text)
        lst.SubItems.Add(Nama.Text)
        lst.SubItems.Add(merk.Text)
        lst.SubItems.Add(Harga.Text)
        lst.SubItems.Add(jlh.Text)
        lst.SubItems.Add(Tot.Text)
        List.Items.Add(lst)
    End Sub

    Private Sub Bersih_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Bersih.Click
        Kode.Text = ""
        Nama.Text = ""
        Nmr.Text = ""
        Harga.Text = ""
        merk.Text = ""
        jlh.Text = ""
        Tot.Text = ""
    End Sub

    Private Sub Hapus_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Hapus.Click
        List.Items.Clear()
    End Sub

    Private Sub Pil_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Pil.Click
        List.Items.Remove(List.SelectedItems(0))
    End Sub

    Private Sub Keluar_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Keluar.Click
        End
    End Sub
End Class



Berikut ini hasil dari program tersebut:



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NB: Untuk Mengetahui Total Harga,Setelah Pengisian Jumlah Beli harus ditekan enter       terlebih dahulu,
jika tidak maka hasilnya tidak akan keluar,seperti gambar dibawah ini: