SISTEM INFORMASI PENGOLAHAN DATA TINDAK PIDANA PENYALAHGUNAAN NARKOBA PADA POLSEKTA HELVETIA MEDAN

SISTEM INFORMASI PENGOLAHAN DATA TINDAK PIDANA PENYALAHGUNAAN NARKOBA PADA POLSEKTA HELVETIA MEDAN

Tabel dengan menggunakan Ms.Access

Tampilan Form :

Listing Program :

Imports System.Data.OleDb

Public Class Form1

    Public db As OleDbConnection

    Public cmd As OleDbCommand

    Public adp As OleDbDataAdapter

    Public dr As OleDbDataReader

    Public ds As New DataSet

    Dim sql As String

    Public Sub opendb()

        Dim lokasi = "provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:\VB2\vina.mdb"

        db = New OleDbConnection(lokasi)

        If db.State = ConnectionState.Closed Then

            db.Open()

        End If

    End Sub

    Sub tampilrecordNarkoba()

        adp = New OleDbDataAdapter("select*from Narkoba", db)

        ds = New DataSet

        adp.Fill(ds, "Narkoba")

        DataGridView1.DataSource = ds.Tables("Narkoba")

    End Sub

    Sub buttonbaru()

        btnbaru.Enabled = True

        btnsimpan.Enabled = False

        btnhapus.Enabled = False

        btnbatal.Enabled = False

        btnkeluar.Enabled = True

    End Sub

    Sub buttonedit()

        btnbaru.Enabled = False

        btnsimpan.Enabled = False

        btnhapus.Enabled = True

        btnbatal.Enabled = True

        btnkeluar.Enabled = True

    End Sub

    Sub buttonsimpan()

        btnbaru.Enabled = False

        btnsimpan.Enabled = True

        btnhapus.Enabled = True

        btnbatal.Enabled = True

        btnkeluar.Enabled = False

    End Sub

    Sub hapustext()

        kode.Text = ""

        jenisnarkoba.Text = ""

        Call buttonbaru()

    End Sub

    Private Sub btnbaru_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnbaru.Click

        Call hapustext()

        kode.Focus()

    End Sub

    Private Sub btnsimpan_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnsimpan.Click

        sql = "INSERT INTO Narkoba(kode,jenis)" & _

        "values('" & kode.Text & "','" & _

        jenisnarkoba.Text & "')"

        cmd = New OleDbCommand(sql, db)

        cmd.ExecuteNonQuery()

        Call btnbaru_Click(sender, e)

        Call tampilrecordNarkoba()

    End Sub

    Private Sub btnhapus_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnhapus.Click

        sql = "delete from narkoba where kode='" & kode.Text & "'"

        cmd = New OleDbCommand(sql, db)

        cmd.ExecuteNonQuery()

        Call btnbaru_Click(sender, e)

        Call tampilrecordNarkoba()

    End Sub

    Private Sub btnbatal_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnbatal.Click

        Call hapustext()

        kode.Focus()

    End Sub

    Private Sub btnkeluar_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnkeluar.Click

        Me.Close()

    End Sub

    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

        Call opendb()

        Call tampilrecordNarkoba()

        Call hapustext()

    End Sub

    Private Sub kode_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles kode.KeyPress

        Dim tombol As Integer = Asc(e.KeyChar)

        Dim xkode As String

        If tombol = 13 Then

            sql = "SELECT * FROM  Narkoba where jenis='" & jenisnarkoba.Text & "'"

            cmd = New OleDbCommand(sql, db)

            dr = cmd.ExecuteReader

            dr.Read()

            If dr.HasRows = True Then

                kode.Text = dr.Item(1)

                Call buttonedit()

                MsgBox("DATA DITEMUKAN")

            Else

                xkode = kode.Text

                Call hapustext()

                jenisnarkoba.Text = xkode

                Call buttonsimpan()

            End If

            jenisnarkoba.Focus()

        End If

    End Sub

End Class