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

SISTEM INFORMASI PERSEDIAN BARANG  PADA CV. Taman Indah Medan

Imports MySql.Data.MySqlClient

Public Class Form3

    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=barang"

        Try

            db.ConnectionString = sql

            db.Open()

        Catch ex As Exception

            MessageBox.Show(ex.Message)

        End Try

    End Sub

    Sub bersih()

        kode.Text = ""

        nama.Text = ""

        alamat.Text = ""

  tlpn.Text = ""

        penghubung.Text = ""

        pemimpin.Text = ""

     

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

        kode.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

        Btnsimpan.Enabled = Btn2

        Btnedit.Enabled = Btn3

        Btnhapus.Enabled = Btn4

        Btnbatal.Enabled = Btn5

        Btnkeluar.Enabled = Btn6

    End Sub

    Sub buattabel()

        Lv.Columns.Add("kode", 80, HorizontalAlignment.Center)

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

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

        Lv.Columns.Add("tlpn", 80, HorizontalAlignment.Center)

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

        Lv.Columns.Add("pemimpin", 80, HorizontalAlignment.Left)

        lv.GridLines = True

        lv.FullRowSelect = True

        lv.View = View.Details

    End Sub

    Sub ISITABEL()

        lv.Items.Clear()

        sql = "select * from data_supplier"

        cmd = New MySqlCommand(sql, db)

        rs = cmd.ExecuteReader

        Try

            While rs.Read

                Dim ist As New ListViewItem

                ist.Text = rs("kode")

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

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

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

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

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

                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 data_supplier(kode, nama, alamat, tlpn, penghubung, pemimpin)" & _

                      "values ('" & kode.Text & _

                      "','" & nama.Text & _

                      "','" & alamat.Text & _

    "','" & tlpn.Text & _

                      "','" & penghubung.Text & _

                      "','" & pemimpin.Text & "')"

                pesan = "data telah disimpan"

            Case 1

                sql = "update pesanan set nama='" & nama.Text & "', " & _

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

                       "where kode='" & kode.Text & "'"

                pesan = "telah di update"

            Case 2

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

                pesan = "data telah dihapus"

        End Select

        Try

            cmd = New MySqlCommand(sql, db)

            cmd.ExecuteNonQuery()

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

            Call bersih()

            Call ISITABEL()

        Catch ex As Exception

            MessageBox.Show(ex.Message)

        End Try

    End Sub

    Sub showdb()

        rs.Read()

        kode.Text = rs("kode")

        nama.Text = rs("nama")

        alama.Text = rs("alama")

        tlpn.Text = rs("tlpn")

        penghubung.Text = rs("penghubung")

        pemimpin.Text = rs("pemimpin")

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

        Btnedit.Text = ""

        kode.Enabled = False

    End Sub

    Private Sub Form3_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.Focus()

    End Sub

    Private Sub Btnedit_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Btnedit.Click

        If Btnedit.Text = "edit" Then prosesdb(0) Else prosesdb(1)

    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 Btnkeluar_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Btnkeluar.Click

        Me.Close()

    End Sub

    Private Sub Btnbatal_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Btnbatal.Click

        Call bersih()

        kode.Focus()

    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.KeyPress

        Dim tombol As Integer = Asc(e.KeyChar)

        If tombol = 13 Then

            Dim x As String

            If kode.Text = "" Then

                MsgBox("isi kode terlebih dahulu")

            Else

                sql = "select* from data_supplier where kode='" & kode.Text & "'"

                cmd = New MySqlCommand(sql, db)

                rs = cmd.ExecuteReader

                Try

                    Call showdb()

                Catch ex As Exception

                    x = kode.Text

                    bersih()

                    kode.Text = x

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

                    Btnsimpan.Text = ""

                End Try

                nama.Focus()

                rs.Close()

            End If

        End If

    End Sub

End Class

 

Demikian lah postingan saya    Nama : Dewi Juliana      Npm : 1102085 Kls : MI/P/1101


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