Latihan 37

Deskripsi

1. Objek textbox
terdapat 8 objek textbox pada form ini. textbox tersebut berfungsi untuk menginput data baru dari data yang di edit. 3 diantaranya berstatus ReadOnly

2. objek button
terdapat 2 objek button form ini. berfungsi mengeksekusi input pada textbox dan menyimpan data ke access

3. objek datagridview
menampilkan hasil inputan pada textbox

4. objek datetimepicker
terdapat satu objek ini pada form kali ini

even :  ButtonClick


Pembuatan Form
1. buka Microsoft Visual Studio anda
2. bukalah file kumpulan latihan anda
3. pilih menu project lalu klik add windows form
4. drag objek dari toolbox anda. susun hingga menjadi form seperti form pada gambar dibawah ini.

5. masukkan script berikut

Public Class Latihan_37_46110008
    Dim Jalan As New OleDb.OleDbConnection("Provider=Microsoft.ACE.OLEDB.12.0;Data Source =" & Application.StartupPath & "\Datamajemuk.ACCDB")
    Dim tabel As New DataTable
    Private Sub xxx()
        Dim ttotal As Integer
        For Each hasil As DataRow In tabel.Rows
            ttotal += hasil("Jumlah")
        Next
        tot46110008.Text = ttotal
    End Sub

    Private Sub Latihan_37_46110008_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        Dim adapter As New OleDb.OleDbDataAdapter
        adapter = New OleDb.OleDbDataAdapter("SELECT detailtransaksi.kodebarang,barang.namabarang,detailtransaksi.unit,detailtransaksi.harga, detailtransaksi.unit * detailtransaksi.harga as jumlah FROM DETAILTRANSAKSI inner join barang on detailtransaksi.kodebarang=barang.kodebarang where detailtransaksi.notrans='" & notr46110008.Text & "'", Jalan)
        tabel.Rows.Clear()
        adapter.Fill(tabel)
        adapter.Dispose()
        dgv46110008.DataSource = tabel

        Dim ranger(2) As DataColumn
        ranger(0) = tabel.Columns("Kodebarang")
        tabel.PrimaryKey = ranger
    End Sub

    Private Sub kob46110008_Leave(ByVal sender As Object, ByVal e As System.EventArgs) Handles kob46110008.Leave
        If kob46110008.Text.Length = 0 Then
            Exit Sub
        End If

        Dim Pencari As New ByIskandar.CariKeDataBaseByIskandar
        Pencari.AturPencarianDataBase("barang", "kodebarang", kob46110008.Text, 1, Jalan)
        If Pencari.JumlanBaris > 0 Then
            nama46110008.Text = Pencari.DataTablenya.Rows(0).Item(1)
        Else
            MsgBox("the data is not exist")
            kob46110008.Text = ""
            nama46110008.Text = ""
            Exit Sub
        End If
    End Sub

    Private Sub tambah46110008_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles tambah46110008.Click
        If kob46110008.Text.Length = 0 Then
            MsgBox("Please, insert the code of goods")
            Exit Sub
        End If

        If unit46110008.Text.Length = 0 Then
            MsgBox("Please, insert the unit of goods")
            Exit Sub
        End If

        If harg46110008.Text.Length = 0 Then
            MsgBox("Please, insert the cost of goods")
            Exit Sub
        End If

        Dim baris As DataRow
        baris = tabel.Rows.Find(kob46110008.Text)
        If Not baris Is Nothing Then
            MsgBox("Sorry, the data has been exist!!! Please insert new data")
            Exit Sub
        End If

        tabel.Rows.Add(kob46110008.Text, nama46110008.Text, (unit46110008.Text), Val(harg46110008.Text), jumlah46110008.Text)
        xxx()

        kob46110008.Text = ""
        unit46110008.Text = ""
        harg46110008.Text = ""
        nama46110008.Text = ""
        jumlah46110008.Text = ""

    End Sub

    Private Sub save46110008_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles save46110008.Click
        If notr46110008.Text.Length = 0 Then
            MsgBox("Please, insert the Number of the transaction")
            Exit Sub
        End If

        If jt46110008.Text.Length = 0 Then
            MsgBox("Please, insert the type of the transaction")
            Exit Sub
        End If

        If tabel.Rows.Count = 0 Then
            MsgBox("the data is none")
            Exit Sub
        End If

        Dim search As New ByIskandar.CariKeDataBaseByIskandar
        search.AturPencarianDataBase("mastertransaksi", "notrans", notr46110008.Text, 1, Jalan)
        If search.JumlanBaris > 0 Then
            MsgBox("the code has been exist")
            Exit Sub
        End If

        Dim power As New OleDb.OleDbCommand
        power = New OleDb.OleDbCommand("insert into mastertransaksi (notrans,tanggaltransaksi,jenistransaksi) values ('" & notr46110008.Text & "',#" & tgl46110008.Value.Month & "/" & tgl46110008.Value.Day & "/" & tgl46110008.Value.Year & "#,'" & jt46110008.Text & "')", Jalan)
        Jalan.Open()
        power.ExecuteNonQuery()
        Jalan.Close()

        For Each master As DataRow In tabel.Rows
            power = New OleDb.OleDbCommand("insert into detailtransaksi (notrans,kodebarang,unit,harga) values ('" & notr46110008.Text & "','" & master("kodebarang") & "'," & master("unit") & "," & master("harga") & ")", Jalan)
            Jalan.Open()
            power.ExecuteNonQuery()
            Jalan.Close()

        Next
        power.Dispose()

        notr46110008.Text = ""
        jt46110008.Text = ""

        tabel.Rows.Clear()

        Me.Close()
    End Sub



    Private Sub harg46110008_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles harg46110008.TextChanged
        jumlah46110008.Text = Val(unit46110008.Text) * Val(harg46110008.Text)
    End Sub
End Class