Latihan 36

Public Class Tugas36_36109067

    Dim V As New OleDb.OleDbConnection("Provider=microsoft.ACE.OLEDB.12.0;data source=" & Application.StartupPath & "\DATAMAJEMUK.accdb")
    Dim dt1 As New DataTable
    Dim dr1 As DataRow

    Private Sub Latihan36017_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        Dim S As New OleDb.OleDbDataAdapter
        S = New OleDb.OleDbDataAdapter("Select KODEBARANG, UNIT, HARGA from DETAILTRANSAKSI WHERE NOTRANS= '" & tb1.Text & "'", V)
        S.Fill(dt1)
        S.Dispose()

        Dim dataPrimary(1) As DataColumn
        dataPrimary(0) = dt1.Columns("KODEBARANG")
        dt1.PrimaryKey = dataPrimary

        dgv1.DataSource = dt1
    End Sub

    Private Sub Tambah_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles tambah.Click
        'a'
        If tb3.Text.Length = 0 Then
            MsgBox("Kode barang sudah ada")
            Exit Sub
        End If

        If Val(tb4.Text) = 0 Then
            MsgBox("Masukkan Harga barang")
            Exit Sub
        End If

        If Val(tb5.Text) = 0 Then
            MsgBox("Masukkan jumlah barang")
            Exit Sub
        End If

        'b'
        dr1 = dt1.Rows.Find(tb3.Text)

        If dr1 Is Nothing Then
            dr1 = dt1.NewRow
            dr1("KODEBARANG") = tb3.Text
        Else
            MsgBox("Maaf kode barang sudah ada")
            Exit Sub
        End If

        'c'
        dr1 = dt1.NewRow
        dr1("KODEBARANG") = tb3.Text
        dr1("UNIT") = tb4.Text
        dr1("HARGA") = tb5.Text

        dt1.Rows.Add(dr1)

        'd'
        tb3.Text = ""
        tb4.Text = ""
        tb5.Text = ""

    End Sub

    Private Sub Simpan_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles save.Click
        'a'
        If tb1.Text.Length = 0 Then
            MsgBox("No. transaksi sudah ada")
            Exit Sub
        End If

        If tb2.Text.Length = 0 Then
            MsgBox("Jenis transaksi sudah ada")
            Exit Sub
        End If

        'b'
        If dt1.Rows.Count = 0 Then
            MsgBox("Jumlah baris tidak terisi")
            Exit Sub
        End If

        'c'
        Dim pencari As New ByIskandar.CariKeDataBaseByIskandar
        pencari.AturPencarianDataBase("MASTERTRANSAKSI", "NOTRANS", tb1.Text, 1, V)
        If pencari.JumlanBaris > 0 Then
            MsgBox("data tersebut sudah ada")
            Exit Sub
        End If

        'd'
        Dim MV As New OleDb.OleDbCommand
        MV = New OleDb.OleDbCommand("INSERT INTO MASTERTRANSAKSI (NOTRANS, TANGGALTRANSAKSI, JENISTRANSAKSI) VALUES ('" & tb1.Text & "', #" & DTP.Value.Month & "/" & DTP.Value.Day & "/" & DTP.Value.Year & "#, '" & tb2.Text & "')", V)
        V.Open()
        MV.ExecuteNonQuery()
        V.Close()

        'e'
        For Each S As DataRow In dt1.Rows
            MV = New OleDb.OleDbCommand("INSERT INTO DETAILTRANSAKSI (NOTRANS, KODEBARANG, UNIT, HARGA) VALUES ('" & tb1.Text & "','" & S("KODEBARANG") & "', " & S("UNIT") & ", " & S("HARGA") & ")", V)
            V.Open()
            MV.ExecuteNonQuery()
            V.Close()
            MV.Dispose()
        Next

        'f'
        tb1.Text = ""
        tb2.Text = ""

        'g'
        dt1.Rows.Clear()

    End Sub
End Class