Sabtu, 19 November 2011

LATIHAN 34 APKOM

Public Class tugas34a46109033
    Private Sub DAFTARBARANGToolStripMenuItem_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles DAFTARBARANGToolStripMenuItem.Click
        If tugas34b46109033.Visible = False Then
            tugas34b46109033.MdiParent = Me.MdiParent
            tugas34b46109033.Show()
        Else
            tugas34b46109033.Activate()
        End If
    End Sub
    Private Sub INPUTBARANGToolStripMenuItem_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles INPUTBARANGToolStripMenuItem.Click
        If tugas34c46109033.Visible = False Then
            tugas34c46109033.MdiParent = Me.MdiParent
            tugas34c46109033.Show()
        Else
            tugas34c46109033.Activate()
        End If
    End Sub
    Private Sub ToolStripButton146109033_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles ToolStripButton146109033.Click
        If tugas34b46109033.Visible = False Then
            tugas34b46109033.MdiParent = Me.MdiParent
            tugas34b46109033.Show()
        Else
            tugas34b46109033.Activate()
        End If
    End Sub
    Private Sub ToolStripButton246109033_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles ToolStripButton246109033.Click
        If tugas34c46109033.Visible = False Then
            tugas34c46109033.MdiParent = Me.MdiParent
            tugas34c46109033.Show()
        Else
            tugas34c46109033.Activate()
        End If
    End Sub
End Class


Public Class tugas34b46109033
    Dim konek As New OleDb.OleDbConnection("provider = microsoft.ace.oledb.12.0;data source=" & Application.StartupPath & "\databarang.accdb;jet OLEDB:database password=2121990")
    Dim tm As New DataTable
    Public Sub ambil()
        Dim itik As New OleDb.OleDbDataAdapter
        itik = New OleDb.OleDbDataAdapter("select * from barang", konek)
        tm.Rows.Clear()
        itik.Fill(tm)
        itik.Dispose()
    End Sub
    Private Sub tugas34b46109033_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles MyBase.Load
        ambil()
        DataGridView146109033.DataSource = tm
    End Sub
    Private Sub Button2461099033_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button246109033.Click
        If tugas34c46109033.Visible = False Then
            tugas34c46109033.Show()
        Else
            tugas34c46109033.Activate()
        End If
    End Sub
    Private Sub Button146109033_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button146109033.Click
        If tugas34c46109033.Visible = False Then
            tugas34c46109033.Show()
        Else
            tugas34c46109033.Activate()
        End If
        tugas34c46109033.KB.Text = DataGridView146109033.CurrentRow.Cells("KODEBARANG").Value
        tugas34c46109033.t146109033.Text = DataGridView146109033.CurrentRow.Cells("KODEBARANG").Value
        tugas34c46109033.t246109033.Text = DataGridView146109033.CurrentRow.Cells("NAMABARANG").Value
        tugas34c46109033.t346109033.Text = DataGridView146109033.CurrentRow.Cells("HARGAJUAL").Value
        tugas34c46109033.t446109033.Text = DataGridView146109033.CurrentRow.Cells("JUMLAHBARANG").Value()
    End Sub
End Class



Public Class tugas34c46109033
    Dim konek As New OleDb.OleDbConnection("provider = microsoft.ace.oledb.12.0;data source=" & Application.StartupPath & "\databarang.accdb;jet OLEDB:database password=2121990")
    Dim tm As New ByIskandar.CariKeDataBaseByIskandar
    Private Sub tambah()
        If t146109033.Text.Length = 0 Then
            MsgBox("kode barang belum terisi")
            Exit Sub
        End If
        If t246109033.Text.Length = 0 Then
            MsgBox("nama barang belum terisi")
            Exit Sub
        End If
        If Val(t346109033.Text) = 0 Then
            MsgBox("harga jual belum diisi")
            Exit Sub
        End If
        If Val(t446109033.Text) = 0 Then
            MsgBox("JUMLAH BELUM TERISI")
            Exit Sub
        End If
        tm.AturPencarianDataBase("barang", "kode barang", t146109033.Text, 1, konek)

        If tm.JumlanBaris > 0 Then
            MsgBox("kode sudah ada")
            Exit Sub
        End If
        Dim go As New OleDb.OleDbCommand
        go = New OleDb.OleDbCommand("insert into barang(kodebarang,namabarang,hargajual,jumlahbarang) Values('" & t146109033.Text & "','" & t246109033.Text & "'," & Val(t346109033.Text) & "," & Val(t446109033.Text) & ")", konek)
        konek.Open()
        go.ExecuteNonQuery()
        konek.Close()
        go.Dispose()
        t146109033.Text = ""
        t246109033.Text = ""
        t346109033.Text = ""
        t446109033.Text = ""
        tugas33a46109033.ambil()
    End Sub
    Private Sub edit()
        If t146109033.Text.Length = 0 Then
            MsgBox("kode barang belum terisi")
            Exit Sub
        End If
        If t246109033.Text.Length = 0 Then
            MsgBox("nama barang belum terisi")
            Exit Sub
        End If
        If Val(t346109033.Text) = 0 Then
            MsgBox("harga jual belum diisi")
            Exit Sub
        End If
        If Val(t446109033.Text) = 0 Then
            MsgBox("JUMLAH BELUM TERISI")
            Exit Sub
        End If
        If KB.Text <> t146109033.Text Then
            tm.AturPencarianDataBase("barang", "kode barang", t146109033.Text, 1, konek)

            If tm.JumlanBaris > 0 Then
                MsgBox("kode sudah ada")
                Exit Sub
            End If
        End If
        Dim go As New OleDb.OleDbCommand
        go = New OleDb.OleDbCommand("update barang set kodebarang ='" & t146109033.Text & "',namabarang='" & t246109033.Text & "',hargajual=" & Val(t346109033.Text) & ", jumlahbarang=" & Val(t446109033.Text) & "where kodebarang='" & KB.Text & "'", konek)
        konek.Open()
        go.ExecuteNonQuery()
        konek.Close()
        go.Dispose()
        t146109033.Text = ""
        t246109033.Text = ""
        t346109033.Text = ""
        t446109033.Text = ""
        KB.Text = "-"
        tugas33a46109033.ambil()
    End Sub
    Private Sub Button146109033_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button146109033.Click
        If KB.Text = "-" Then
            tambah()
        Else
            edit()
        End If
    End Sub
End Class

LATIHAN 33 APKOM

Public Class tugas33a46109033
    Dim konek As New OleDb.OleDbConnection("provider = microsoft.ace.oledb.12.0;data source=" & Application.StartupPath & "\databarang.accdb;jet OLEDB:database password=2121990")
    Dim tm As New DataTable
    Public Sub ambil()
        Dim data As New OleDb.OleDbDataAdapter
        data = New OleDb.OleDbDataAdapter("select * from barang", konek)
        tm.Rows.Clear()
        data.Fill(tm)
        data.Dispose()
    End Sub
    Private Sub tugas33a46109033_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        ambil()
        DataGridView146109033.DataSource = tm
    End Sub
    Private Sub Button246109033_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button246109033.Click
        If tugas33b46109033.Visible = False Then
            tugas33b46109033.Show()
        Else
            tugas33b46109033.Activate()
        End If
    End Sub
    Private Sub Button146109033_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button146109033.Click
        If tugas33b46109033.Visible = False Then
            tugas33b46109033.Show()
        Else
            tugas33b46109033.Activate()
        End If
        tugas33b46109033.KB.Text = DataGridView146109033.CurrentRow.Cells("KODEBARANG").Value
        tugas33b46109033.t146109033.Text = DataGridView146109033.CurrentRow.Cells("KODEBARANG").Value
        tugas33b46109033.t246109033.Text = DataGridView146109033.CurrentRow.Cells("NAMABARANG").Value
        tugas33b46109033.t346109033.Text = DataGridView146109033.CurrentRow.Cells("HARGAJUAL").Value
        tugas33b46109033.t446109033.Text = DataGridView146109033.CurrentRow.Cells("JUMLAHBARANG").Value
    End Sub
    Private Sub Button346109033_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button346109033.Click
        Dim itik As New OleDb.OleDbCommand
        itik = New OleDb.OleDbCommand("DELETE * FROM BARANG WHERE KODEBARANG='" & DataGridView146109033.CurrentRow.Cells("KODEBARANG").Value & "'", konek)
        konek.Open()
        itik.ExecuteNonQuery()
        konek.Close()
        itik.Dispose()
        ambil()
    End Sub
End Class



Public Class tugas33b46109033
    Dim konek As New OleDb.OleDbConnection("provider = microsoft.ace.oledb.12.0;data source=" & Application.StartupPath & "\databarang.accdb;jet OLEDB:database password=2121990")
    Dim itik As New ByIskandar.CariKeDataBaseByIskandar
    Private Sub Button146109033_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button146109033.Click
        If t146109033.Text.Length = 0 Then
            MsgBox("kode barang belum terisi")
            Exit Sub
        End If
        If t246109033.Text.Length = 0 Then
            MsgBox("nama barang belum terisi")
            Exit Sub
        End If
        If Val(t346109033.Text) = 0 Then
            MsgBox("harga jual belum diisi")
            Exit Sub
        End If
        If Val(t446109033.Text) = 0 Then
            MsgBox("jumlah barang")
            Exit Sub
        End If
        itik.AturPencarianDataBase("barang", "kodebarang", t146109033.Text, 1, konek)
        If itik.JumlanBaris > 0 Then
            MsgBox("kode sudah ada")
            Exit Sub
        End If
        Dim com As New OleDb.OleDbCommand
        com = New OleDb.OleDbCommand("insert into barang(kodebarang,namabarang,hargajual,jumlahbarang) Values('" & t146109033.Text & "','" & t246109033.Text & "'," & Val(t346109033.Text) & "," & Val(t446109033.Text) & ")", konek)
        konek.Open()
        com.ExecuteNonQuery()
        konek.Close()
        com.Dispose()
        t146109033.Text = ""
        t246109033.Text = ""
        t346109033.Text = ""
        t446109033.Text = ""
        Tugas33a46109033.ambil()
    End Sub
End Class

LATIHAN 32 APKOM

Public Class tugas32a46109033
    Dim konek As New OleDb.OleDbConnection("provider = microsoft.ace.oledb.12.0;data source=" & Application.StartupPath & "\databarang.accdb;jet OLEDB:database password=2121990")
    Dim itik As New DataTable
    Private Sub tugas32a46109033_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        Dim tm As New OleDb.OleDbDataAdapter
        tm = New OleDb.OleDbDataAdapter("select* from barang", konek)
        tm.Fill(itik)
        DataGridView146109033.DataSource = itik
    End Sub
    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button146109033.Click
        If tugas32c46109033.Visible = False Then
            tugas32c46109033.Show()
        Else
            tugas32c46109033.Activate()
        End If
        tugas32c46109033.ToolStripStatusLabel1.Text = "kode barang lama= " & DataGridView146109033.CurrentRow.Cells("kodebarang").Value
        tugas32c46109033.t146109033.Text = DataGridView146109033.CurrentRow.Cells("kodebarang").Value
        tugas32c46109033.t246109033.Text = DataGridView146109033.CurrentRow.Cells("namabarang").Value
        tugas32c46109033.t346109033.Text = DataGridView146109033.CurrentRow.Cells("hargajual").Value
        tugas32c46109033.t446109033.Text = DataGridView146109033.CurrentRow.Cells("jumlahbarang").Value
    End Sub
    Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button246109033.Click
        If tugas32b46109033.Visible = False Then
            tugas32b46109033.Show()
        Else
            tugas32b46109033.Activate()
        End If
    End Sub
End Class


Public Class tugas32b46109033
    Dim konek As New OleDb.OleDbConnection("provider = microsoft.ace.oledb.12.0;data source=" & Application.StartupPath & "\databarang.accdb;jet OLEDB:database password=2121990")
    Private Sub Button146109033_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button146109033.Click
        If Val(t146109033.Text) = 0 Then
            MsgBox("kode barang belum terisi")
            Exit Sub
        End If
        If t246109033.Text.Length = 0 Then
            MsgBox("nama barang belum terisi")
            Exit Sub
        End If
        If Val(t346109033.Text) = 0 Then
            MsgBox("harga jual belum diisi")
            Exit Sub
        End If
        If Val(t446109033.Text) = 0 Then
            MsgBox("jumlah barang belum diisi")
            Exit Sub
        End If
        Dim itik As New OleDb.OleDbCommand
        itik = New OleDb.OleDbCommand("psTambahBarang", konek)
        itik.CommandType = CommandType.StoredProcedure
        itik.Parameters.Add(New OleDb.OleDbParameter("pKodeBarang", t146109033.Text))
        itik.Parameters.Add(New OleDb.OleDbParameter("pNamaBarang", t246109033.Text))
        itik.Parameters.Add(New OleDb.OleDbParameter("pPersawal", Val(t346109033.Text)))
        itik.Parameters.Add(New OleDb.OleDbParameter("pHargajual", Val(t446109033.Text)))
        konek.Open()
        itik.ExecuteNonQuery()
        konek.Close()
        itik.Dispose()
        t146109033.Text = ""
        t246109033.Text = ""
        t346109033.Text = ""
        t446109033.Text = ""
    End Sub
End Class



Public Class tugas32c46109033
    Dim konek As New OleDb.OleDbConnection("provider = microsoft.ace.oledb.12.0;data source=" & Application.StartupPath & "\databarang.accdb;jet OLEDB:database password=2121990")
    Private Sub Button146109033_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button146109033.Click
        If Val(t146109033.Text) = 0 Then
            MsgBox("kode barang belum terisi")
            Exit Sub
        End If
        If t246109033.Text.Length = 0 Then
            MsgBox("nama barang belum terisi")
            Exit Sub
        End If
        If Val(t346109033.Text) = 0 Then
            MsgBox("harga jual belum diisi")
            Exit Sub
        End If
        If Val(t446109033.Text) = 0 Then
            MsgBox("jumlah barang belum diisi")
            Exit Sub
        End If
        Dim com As New OleDb.OleDbCommand
        com = New OleDb.OleDbCommand("UPDATE BARANG SET kodebarang = '" & t146109033.Text & "', namabarang = '" & t246109033.Text & "', hargajual = " & Val(t346109033.Text) & ", jumlahbarang = " & Val(t446109033.Text) & " where kodebarang ='" & ToolStripStatusLabel1.Text & "'", konek)
        konek.Open()
        com.ExecuteNonQuery()
        konek.Close()
        com.Dispose()
        t146109033.Text = ""
        t246109033.Text = ""
        t346109033.Text = ""
        t446109033.Text = ""
    End Sub
End Class

LATIHAN 31 APKOM

Public Class tugas31a46109033
    Dim konek As New OleDb.OleDbConnection("provider = microsoft.ace.oledb.12.0;data source=" & Application.StartupPath & "\databarang.accdb;jet OLEDB:database password=2121990")
    Dim itik As New DataTable
    Public Sub ambil()
        Dim data As New OleDb.OleDbDataAdapter
        data = New OleDb.OleDbDataAdapter("SELECT* FROM barang", konek)
        itik.Rows.Clear()
        data.Fill(itik)
        data.Dispose()
    End Sub
    Private Sub tugas31a46109033_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        ambil()
        DataGridView146109033.DataSource = itik
    End Sub
    Private Sub Button146109033_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button146109033.Click, Button146109033.Click
        If tugas31b46109033.Visible = False Then
            tugas31b46109033.Show()
        Else
            tugas31b46109033.Activate()
        End If
        tugas31b46109033.KB.Text = DataGridView146109033.CurrentRow.Cells("KODEBARANG").Value
        tugas31b46109033.t146109033.Text = DataGridView146109033.CurrentRow.Cells("KODEBARANG").Value
        tugas31b46109033.t246109033.Text = DataGridView146109033.CurrentRow.Cells("NAMABARANG").Value
        tugas31b46109033.t346109033.Text = DataGridView146109033.CurrentRow.Cells("HARGAJUAL").Value
        tugas31b46109033.t446109033.Text = DataGridView146109033.CurrentRow.Cells("JUMLAHBARANG").Value
    End Sub
End Class


Public Class tugas31b46109033
    Dim konek As New OleDb.OleDbConnection("provider = microsoft.ace.oledb.12.0;data source=" & Application.StartupPath & "\databarang.accdb;jet OLEDB:database password=2121990")

    Private Sub Button146109033_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button146109033.Click
        If t146109033.Text.Length = 0 Then
            MsgBox("Please insert your text")
            Exit Sub
        End If
        If t246109033.Text.Length = 0 Then
            MsgBox("Please insert your text")
            Exit Sub
        End If
        If Val(t346109033.Text) = 0 Then
            MsgBox("Please insert your text")
            Exit Sub
        End If
        If Val(t446109033.Text) = 0 Then
            MsgBox("Please insert your text")
            Exit Sub
        End If
        If KB.Text <> t146109033.Text Then
            Dim PENCARI As New ByIskandar.CariKeDataBaseByIskandar
            PENCARI.AturPencarianDataBase("BARANG", "KODEBARANG", t146109033.Text, 1, konek)
            If PENCARI.JumlanBaris > 0 Then
                MsgBox("the data has been exist please insert new data")
                t146109033.Text = ""
                t246109033.Text = ""
                t346109033.Text = ""
                t446109033.Text = ""
                Exit Sub
            End If
        End If
        Dim itik As New OleDb.OleDbCommand
        itik = New OleDb.OleDbCommand("update BARANG set KODEBARANG ='" & t146109033.Text & "', NAMABARANG = '" & t246109033.Text & "', HARGAJUAL=" & Val(t346109033.Text) & ", JUMLAHBARANG=" & Val(t446109033.Text) & " where KODEBARANG='" & KB.Text & "'", konek)
        konek.Open()
        itik.ExecuteNonQuery()
        konek.Close()
        itik.Dispose()
        KB.Text = ""
        t146109033.Text = ""
        t246109033.Text = ""
        t346109033.Text = ""
        t446109033.Text = ""
        tugas31a46109033.ambil()
        Me.Close()
    End Sub
End Class

LATIHAN 30 APKOM

Public Class tugas30a46109033
    Dim konek As New OleDb.OleDbConnection("provider = microsoft.ace.oledb.12.0;data source=" & Application.StartupPath & "\databarang.accdb;jet OLEDB:database password=2121990")
    Dim itik As New DataTable
    Public Sub ambil()
        Dim data As New OleDb.OleDbDataAdapter
        data = New OleDb.OleDbDataAdapter("SELECT* FROM BARANG", konek)
        itik.Rows.Clear()
        data.Fill(itik)
        data.Dispose()
    End Sub
    Private Sub tugas30a46109033_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        ambil()
        DataGridView146109033.DataSource = itik
    End Sub
    Private Sub Button146109033_click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button146109033.Click
        If tugas30b46109033.Visible = False Then
            tugas30b46109033.Show()
        Else
            tugas30b46109033.Activate()
        End If
        tugas30b46109033.kb46109033.Text = DataGridView146109033.CurrentRow.Cells("KODEBARANG").Value
        tugas30b46109033.t146109033.Text = DataGridView146109033.CurrentRow.Cells("KODEBARANG").Value
        tugas30b46109033.t246109033.Text = DataGridView146109033.CurrentRow.Cells("NAMABARANG").Value
        tugas30b46109033.t346109033.Text = DataGridView146109033.CurrentRow.Cells("HARGAJUAL").Value
        tugas30b46109033.t446109033.Text = DataGridView146109033.CurrentRow.Cells("JUMLAHBARANG").Value
    End Sub
End Class


Public Class tugas30b46109033
    Dim konek As New OleDb.OleDbConnection("provider = microsoft.ace.oledb.12.0;data source=" & Application.StartupPath & "\databarang.accdb;jet OLEDB:database password=2121990")
    Private Sub Button146109033_click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button146109033.Click
        If t146109033.Text.Length = 0 Then
            MsgBox("please insert your text")
            Exit Sub
        End If
        If t246109033.Text.Length = 0 Then
            MsgBox("please insert your text")
            Exit Sub
        End If
        If Val(t346109033.Text) = 0 Then
            MsgBox("please insert your text")
            Exit Sub
        End If
        If Val(t446109033.Text) = 0 Then
            MsgBox("please insert your text")
            Exit Sub
        End If
        If kb46109033.Text <> t146109033.Text Then
            Dim PENCARI As New ByIskandar.CariKeDataBaseByIskandar
            PENCARI.AturPencarianDataBase("BARANG", "KODEBARANG", t146109033.Text, 1, konek)
            If PENCARI.JumlanBaris > 0 Then
                MsgBox("the data has been exist please insert new data")
                t146109033.Text = ""
                t246109033.Text = ""
                t346109033.Text = ""
                t446109033.Text = ""
                Exit Sub
            End If
        End If
        Dim itik As New OleDb.OleDbCommand
        itik = New OleDb.OleDbCommand("update BARANG set KODEBARANG ='" & t146109033.Text & "', NAMABARANG = '" & t246109033.Text & "', HARGAJUAL=" & Val(t346109033.Text) & ", JUMLAHBARANG=" & Val(t446109033.Text) & " where KODEBARANG='" & kb46109033.Text & "'", konek)
        konek.Open()
        itik.Dispose()
        kb46109033.Text = ""
        t146109033.Text = ""
        t246109033.Text = ""
        t346109033.Text = ""
        t446109033.Text = ""
        tugas30a46109033.ambil()
        Me.Close()
    End Sub
End Class

LATIHAN 29 APKOM

Public Class tugas2946109033
    Dim konek As New OleDb.OleDbConnection("provider = microsoft.ace.oledb.12.0;data source=" & Application.StartupPath & "\databarang.accdb;jet OLEDB:database password=2121990")
    Private Sub Button146109033_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button146109033.Click
        If kb46109033.Text.Length = 0 Then
            MsgBox("please insert your text")
            Exit Sub
        End If
        If t146109033.Text.Length = 0 Then
            MsgBox("please insert your text")
            Exit Sub
        End If
        If t246109033.Text.Length = 0 Then
            MsgBox("please insert your text")
            Exit Sub
        End If
        If Val(t346109033.Text) = 0 Then
            MsgBox("please insert your text")
            Exit Sub
        End If
        If Val(t446109033.Text) = 0 Then
            MsgBox("please insert your text")
            Exit Sub
        End If
        Dim PENCARI As New ByIskandar.CariKeDataBaseByIskandar
        PENCARI.AturPencarianDataBase("BARANG", "KODEBARANG", t146109033.Text, 1, konek)
        If PENCARI.JumlanBaris > 0 Then
            MsgBox("the data has been exist please insert new data")
            kb46109033.Text = ""
            t246109033.Text = ""
            t346109033.Text = ""
            t446109033.Text = ""
            Exit Sub
        End If
        Dim taufiq As New OleDb.OleDbCommand
        taufiq = New OleDb.OleDbCommand("update BARANG set KODEBARANG ='" & t146109033.Text & "' , NAMABARANG = '" & t246109033.Text & "' , HARGAJUAL=" & Val(t346109033.Text) & ", JUMLAHBARANG =" & Val(t446109033.Text) & " where KODEBARANG ='" & kb46109033.Text & "'", konek)
        konek.Open()
        taufiq.ExecuteNonQuery()
        konek.Close()
        taufiq.Dispose()
        kb46109033.Text = ""
        t146109033.Text = ""
        t246109033.Text = ""
        t346109033.Text = ""
        t446109033.Text = ""
    End Sub
End Class

LATIHAN 28 APKOM

Public Class tugas28a46109033
    Dim konek As New OleDb.OleDbConnection("provider = microsoft.ace.oledb.12.0;data source=" & Application.StartupPath & "\databarang.accdb;jet OLEDB:database password=2121990")
    Dim itik As New DataTable
    Public Sub ambil()
        Dim tm As New OleDb.OleDbDataAdapter
        tm = New OleDb.OleDbDataAdapter("SELECT*from BARANG", konek)
        itik.Rows.Clear()
        tm.Fill(itik)
        tm.Dispose()
    End Sub
    Private Sub tugas28a46109033_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        ambil()
        DataGridView146109033.DataSource = itik
    End Sub
    Private Sub Button146109033_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button146109033.Click
        If tugas28b46109033.Visible = False Then
            tugas28b46109033.Show()
        Else
            tugas28b46109033.Activate()
        End If
    End Sub
    Private Sub Button246109033_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button246109033.Click
        Me.Close()
    End Sub
End Class



Public Class tugas28b46109033
    Dim konek As New OleDb.OleDbConnection("provider = microsoft.ace.oledb.12.0;data source=" & Application.StartupPath & "\databarang.accdb;jet OLEDB:database password=2121990")
    Private Sub Button146109033_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button146109033.Click
        If t146109033.Text.Length = 0 Then
            MsgBox("please insert your text")
            Exit Sub
        End If
        If t246109033.Text.Length = 0 Then
            MsgBox("please insert your text")
            Exit Sub
        End If
        If Val(t346109033.Text) = 0 Then
            MsgBox("please insert your text")
            Exit Sub
        End If
        If Val(t446109033.Text) = 0 Then
            MsgBox("please insert your text")
            Exit Sub
        End If
        Dim PENCARI As New ByIskandar.CariKeDataBaseByIskandar
        PENCARI.AturPencarianDataBase("BARANG", "KODEBARANG", t146109033.Text, 1, konek)
        If PENCARI.JumlanBaris > 0 Then
            MsgBox("the data has been exist please insert new data")
            t146109033.Text = ""
            t246109033.Text = ""
            t346109033.Text = ""
            t446109033.Text = ""
            Exit Sub
        End If
        Dim itik As New OleDb.OleDbCommand
        itik = New OleDb.OleDbCommand("INSERT INTO BARANG(KODEBARANG,NAMABARANG,HARGAJUAL,JUMLAHBARANG)VALUES ('" & t146109033.Text & "','" & t246109033.Text & "'," & Val(t346109033.Text) & "," & Val(t446109033.Text) & " )", konek)
        konek.Open()
        itik.ExecuteNonQuery()
        konek.Close()
        itik.Dispose()
        t146109033.Text = ""
        t246109033.Text = ""
        t346109033.Text = ""
        t446109033.Text = ""
        tugas28a46109033.ambil()
        Me.Close()
    End Sub
End Class