Yuk! Belajar Pemrograman Visual Basic dot Net Di Mesran.Net

SISTEM INFORMASI DATA PELANGGAN

DATABASE MYSQL

LISTING PROGRAM

Imports MySql.Data.MySqlClient

Public Class Form2

    Public db As New MySql.Data.MySqlClient.MySqlConnection

    Public sql As String

    Public cmd As MySqlCommand

    Public rs As MySqlDataReader

    Sub opendb()

        sql = "server=localhost;uid=root;pwd;database=data_pelanggan"

        Try

            db.ConnectionString = sql

            db.Open()

        Catch ex As Exception

            MessageBox.Show(ex.Message)

        End Try

    End Sub

    Sub bersih()

        kode_pel.Text = ""

        nama_pel.Text = ""

        alamat.Text = ""

        telp.Text = ""

        RUBAHBUTTON(True, False, False, False, False, True)

        kode_pel.Enabled = True

    End Sub

    Sub RUBAHBUTTON(ByVal Btn1 As Boolean, ByVal Btn2 As Boolean, ByVal Btn3 As Boolean, ByVal Btn4 As Boolean, ByVal Btn5 As Boolean, ByVal btn6 As Boolean)

        BTNBARU.Enabled = Btn1

        BTNEDIT.Enabled = Btn2

        BTNSIMPAN.Enabled = Btn3

        BTNBATAL.Enabled = Btn4

        BTNHAPUS.Enabled = Btn5

        BTNKELUAR.Enabled = Btn6

    End Sub

    Sub buattabel()

        lv.Columns.Add("kode_pel", 80, HorizontalAlignment.Center)

        lv.Columns.Add("nama_pel", 180, HorizontalAlignment.Left)

        lv.Columns.Add("alamat", 80, HorizontalAlignment.Left)

        lv.Columns.Add("telp", 100, HorizontalAlignment.Left)

        lv.GridLines = True

        lv.FullRowSelect = True

        lv.View = View.Details

    End Sub

    Sub ISITABEL()

        lv.Items.Clear()

        sql = "select * from pelanggan"

        cmd = New MySqlCommand(sql, db)

        rs = cmd.ExecuteReader

        Try

            While rs.Read

                Dim ist As New ListViewItem

                ist.Text = rs("kode_pel")

                ist.SubItems.Add(rs("nama_pel"))

                ist.SubItems.Add(rs("alamat"))

                ist.SubItems.Add(rs("telp"))

                lv.Items.Add(ist)

            End While

        Catch ex As Exception

            MsgBox(ex.Message)

        End Try

        rs.Close()

    End Sub

    Sub prosesdb(ByVal log As Integer)

        Dim pesan As String = ""

        Select Case log

            Case 0

                sql = "insert into pelanggan(kode_pel, nama_pel, alamat, telp)" & _

                      "values ('" & kode_pel.Text & _

                      "','" & nama_pel.Text & _

                      "','" & alamat.Text & _

                      "','" & telp.Text & "')"

                pesan = "data telah disimpan"

            Case 1

                sql = "update pelanggan set nama_pel='" & nama_pel.Text & "', " & _

                        "alamat='" & alamat.Text & "'," & _

                        "telp='" & telp.Text & "' " & _

                       "where kode_pel='" & kode_pel.Text & "'"

                pesan = "telah di update"

            Case 2

                sql = "delete from pelanggan where kode_pel='" & kode_pel.Text & "'"

                pesan = "data telah dihapus"

        End Select

        Try

            cmd = New MySqlCommand(sql, db)

            cmd.ExecuteNonQuery()

            MsgBox(pesan, MsgBoxStyle.Information + MsgBoxStyle.OkOnly, "konfirmasi")

            Call bersih()

            Call ISITABEL()

        Catch ex As Exception

            MessageBox.Show(ex.Message)

        End Try

    End Sub

    Sub showdb()

        rs.Read()

        kode_pel.Text = rs("kode_pel")

        nama_pel.Text = rs("nama_pel")

        alamat.Text = rs("alamat")

        telp.Text = rs("telp")

        RUBAHBUTTON(False, True, True, True, True, False)

        BTNEDIT.Text = "edit"

        kode_pel.Enabled = False

    End Sub

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

        Call opendb()

        Call bersih()

        Call ISITABEL()

        Call buattabel()

    End Sub

    Private Sub BTNBARU_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BTNBARU.Click

        Call bersih()

        kode_pel.Focus()

    End Sub

    Private Sub BTNBATAL_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BTNBATAL.Click

        Call bersih()

        kode_pel.Focus()

    End Sub

    Private Sub BTNKELUAR_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BTNKELUAR.Click

        End

    End Sub

    Private Sub BTNHAPUS_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BTNHAPUS.Click

        Dim x As String

        x = MsgBox("anda yakin ingin menghapus", MsgBoxStyle.Information + MsgBoxStyle.YesNo, "hapus")

        If x = vbYes Then

            Call prosesdb(2)

        End If

    End Sub

    Private Sub BTNSIMPAN_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BTNSIMPAN.Click

        If BTNSIMPAN.Text = "simpan" Then prosesdb(0) Else prosesdb(1)

    End Sub

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

        Dim tombol As Integer = Asc(e.KeyChar)

        If tombol = 13 Then

            Dim x As String

            If kode_pel.Text = "" Then

                MsgBox("isi kode terlebih dahulu")

            Else

                sql = "select* from pelanggan where kode_pel='" & kode_pel.Text & "'"

                cmd = New MySqlCommand(sql, db)

                rs = cmd.ExecuteReader

                Try

                    Call showdb()

                Catch ex As Exception

                    x = kode_pel.Text

                    bersih()

                    kode_pel.Text = x

                    RUBAHBUTTON(False, False, True, True, True, False)

                    BTNSIMPAN.Text = "simpan"

                End Try

                nama_pel.Focus()

                rs.Close()

            End If

        End If

    End Sub

End Class

 

  HASIL SETELAH DIJALANKAN

Demikilahlah postingan saya  Nama : KRIS PUTRI YANA GAYA TRIE NPM : 1102080
Kelas : MI - P - 1101

Selamat Belajar VB Net