IF-UTAMA Ver/Rev:0/0 Halaman: 1
Sesi 13 : Pengenalan Pemrograman Database
1. Bwt folder sesi13 kemudian dalam folder tersebut bwt database dengan menggunakan Microsoft Office Access
a. Aktifkan Microsoft Office Acces, simpan database dengan nama dbSesi13.mdb b. Pilih Table Design untuk membwt tabel, atur tabel dengan struktur sebagai berikut:
Table 1 Struktur Tabel Mahasiswa
No Field Name Data Type Filed Size Keterangan
1 No_Urut AutoNumber - Berisi Nomor Urut Mahasiswa (nomor urut dibwt secara otomatis oleh MSAccess)
2 Nama Text 25 Berisi Nama Mahasiswa
3 No_HP_Telp Text 16 Berisi Nomor HP/Telepon Mahasiswa
4 Alamat Text 100 Berisi Alamat Mahasiswa 5 Kota Text 20 Berisi Nama Kota
6 Propinsi Text 25 Berisi Nama Propinsi 7 Kode_pos Text 5 Berisi Kode Pos Simpan tabel tersebut dengan nama Mahasiswa
Open tabel tersebut dan isi dengan data, contoh <Boleh anda isi dengan data yg lain>
Table 2 Contoh Isi Tabel Mahasiswa
No No_Urut Nama No_HP_Telp Alamat Kota Propinsi Kode_pos 1 1 Danang 7278860 Jl. Cikutra No.204-A Bandung Jawa Barat 40125 2 2 Junaedi 7278860 Jl. Cikutra No.204-A Bandung Jawa Barat 40125 Simpan dan tutup tabel tersebut
2. Buka VB.Net dan bwt aplikasi untuk pengelolaan database, simpan pada folder sesi13 3. Bwt desain form berikut ini
IF-UTAMA Ver/Rev:0/0 Halaman: 2 Gambar 1 Form Pengolahan Data Mahasiswa
4. Atur properties dari masing-masing kontrol dalam form pada form di atas sebagai berikut
Table 3 Properties Gambar 1
No Kontrol Properties Value
1 Form Name Font MaximizeBox MinimizeBox StartPosition Text frmOlahMhs Arial,12 False False CenterScreen
Pengolahan Data Mahasiswa
2 Label Name Text lblNPM NPM Name Text lblNamaMhs Nama Mahasiswa Name Text lblNoHP_Telp Nomor HP/Telepon Name Text lblAlamat Alamat Name Text lblKota Kota Name Text lblPropinsi Propinsi Name lblKode_Pos
IF-UTAMA Ver/Rev:0/0 Halaman: 3
No Kontrol Properties Value
Text KodePos Name Text lblPathDB Lokasi Database Name Text lblInfoError Pesan Error 3 TextBox Name txtPath Name txtError Name txtNMMhs Name txtNoHP_Telp Name txtAlamat Name txtKota Name txtPropinsi Name txtKode_Pos
4 ComboBox Name cboNPM
5 Button Name Text btnBrowse &Browse Name Text btnCancel &Cancel Name Text btnNew &New Name Text btnSave &Save Name Text btnEdit &Edit Name Text btnDelete &Delete
6 OpenFileDialog Name OpenFileDialog1 5. Ketik program berikut
Imports System.Data.OleDb Public Class frmOlahMhs
Inherits System.Windows.Forms.Form Dim intAccion As Integer
Public Sub newr() Try
Dim dbCommand As OleDbCommand Dim DBConn As OleDbConnection
Dim strFN, strLN, strAdd, strCty, strSt As String Dim strDept, strPath As String
Dim DBInsert As New OleDbCommand() strFN = txtNmMhs.Text strLN = txtNoHP_Telp.Text strAdd = txtAlamat.Text strCty = txtKota.Text strSt = txtPropinsi.Text strDept = txtKode_Pos.Text strPath = txtPath.Text
IF-UTAMA Ver/Rev:0/0 Halaman: 4 Microsoft.Jet.OLEDB.4.0; DATA SOURCE=" & strPath)
DBInsert.CommandText = "Insert Into Mahasiswa " &(Nama,No_HP_Telp,Alamat,Kota,Propinsi,Kode_Pos) Values (" & "'" & strFN & "', " & "'" & strLN & "', " & "'" & strAdd & "', " & "'" & strCty & "', " & "'" & strSt & "', " & "'" & strDept & "')"
DBInsert.Connection = DBConn DBInsert.Connection.Open() DBInsert.ExecuteNonQuery() DBConn.Close()
txtError.Text = "Save." Catch err As System.Exception txtError.Text = err.Message End Try
End Sub
Public Sub find() Try
Dim dbConn As OleDbConnection
Dim dbCommand As New OleDbCommand() Dim strPath As String
strPath = txtPath.Text
dbConn = New OleDbConnection("Provider = Microsoft.Jet.OLEDB.4.0; DATA SOURCE=" & strPath)
dbCommand.CommandText = "SELECT * FROM Mahasiswa WHERE No_Urut=" & cboNPM.Text
dbCommand.Connection = dbConn dbConn.Open()
Dim dbDR As OleDb.OleDbDataReader = dbCommand.ExecuteReader
While dbDR.Read
txtNmMhs.Text = dbDR("Nama".ToString)
txtNoHP_Telp.Text = dbDR("No_HP_Telp".ToString) txtAlamat.Text = dbDR("Alamat".ToString)
txtKota.Text = dbDR("Kota".ToString)
txtPropinsi.Text = dbDR("Propinsi".ToString) txtKode_Pos.Text = dbDR("Kode_Pos".ToString) End While
dbConn.Close()
btnEdit.Enabled = True btnDelete.Enabled = True Catch err As System.Exception txtError.Text = err.Message End Try
End Sub
Public Sub loadCBO() Try
IF-UTAMA Ver/Rev:0/0 Halaman: 5 Dim dbConn As OleDbConnection
Dim dbCommand As New OleDbCommand() Dim strPath As String
strPath = txtPath.Text dbConn = New
OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0; DATA SOURCE=" & strPath)
dbCommand.CommandText = "SELECT No_Urut FROM Mahasiswa" dbCommand.Connection = dbConn dbConn.Open() Dim dbDR As OleDb.OleDbDataReader = dbCommand.ExecuteReader cboNPM.Items.Clear() While dbDR.Read cboNPM.Items.Add(dbDR("No_Urut")) End While dbConn.Close()
Catch err As System.Exception txtError.Text = err.Message End Try
End Sub
Public Sub edit() Try
Dim DBConn As OleDbConnection
Dim dbCommand As New OleDbCommand()
Dim strFN, strLN, strAdd, strCty, strSt As String Dim strDept, strPath As String
strFN = txtNmMhs.Text strLN = txtNoHP_Telp.Text strAdd = txtAlamat.Text strCty = txtKota.Text strSt = txtPropinsi.Text strDept = txtKode_Pos.Text strPath = txtPath.Text DBConn = New
OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0; DATA SOURCE=" & strPath)
dbCommand.CommandText = "Update Mahasiswa Set " & "Nama='" & strFN & "', " & "No_HP_Telp='" & strLN & "', " & "Alamat='" & strAdd & "', " & "Kota='" & strCty & "', "
& "Propinsi='" & strSt & "', " & "Kode_pos='" & strDept & "' " & "WHERE text=" & cboNPM.Text
dbCommand.Connection = DBConn dbCommand.Connection.Open() dbCommand.ExecuteNonQuery()
IF-UTAMA Ver/Rev:0/0 Halaman: 6 DBConn.Close()
txtError.Text = "Edit" Catch err As System.Exception txtError.Text = err.Message End Try
End Sub
Public Sub delete() Try
Dim DBConn As OleDbConnection
Dim dbCommand As New OleDbCommand() Dim strPath As String
strPath = txtPath.Text DBConn = New
OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0; DATA SOURCE=" & strPath)
dbCommand.CommandText = "Delete From Mahasiswa WHERE text=" & cboNPM.Text
dbCommand.Connection = DBConn dbCommand.Connection.Open() dbCommand.ExecuteNonQuery() DBConn.Close()
txtError.Text = "Delete." Catch err As System.Exception txtError.Text = err.Message End Try
End Sub
Private Sub EnabledField() txtNmMhs.ReadOnly = False txtNoHP_Telp.ReadOnly = False txtAlamat.ReadOnly = False txtKota.ReadOnly = False txtPropinsi.ReadOnly = False txtKode_Pos.ReadOnly = False End Sub
Private Sub DisabledField() txtNmMhs.ReadOnly = True txtNoHP_Telp.ReadOnly = True txtAlamat.ReadOnly = True txtKota.ReadOnly = True txtPropinsi.ReadOnly = True txtKode_Pos.ReadOnly = True End Sub
Private Sub btnNew_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnNew.Click
intAccion = 1
IF-UTAMA Ver/Rev:0/0 Halaman: 7 txtNoHP_Telp.Text = "" txtAlamat.Text = "" txtKota.Text = "" txtPropinsi.Text = "" txtKode_Pos.Text = "" btnNew.Enabled = False btnEdit.Enabled = False btnDelete.Enabled = False btnSave.Enabled = True btnCancel.Enabled = True txtNmMhs.Focus() cboNPM.Items.Clear() cboNPM.Enabled = False EnabledField() txtError.Text = "" End Sub
Private Sub btnSave_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnSave.Click
If MsgBox("Simpan hasil perubahan", MsgBoxStyle.Question Or MsgBoxStyle.YesNo, "") = MsgBoxResult.No Then
Exit Sub End If
If intAccion = 1 Then newr()
ElseIf intAccion = 2 Then edit() End If btnSave.Enabled = False btnCancel.Enabled = False btnNew.Enabled = True txtNmMhs.Text = "" txtNoHP_Telp.Text = "" txtAlamat.Text = "" txtKota.Text = "" txtPropinsi.Text = "" txtKode_Pos.Text = "" cboNPM.Enabled = True loadCBO() DisabledField() End Sub
Private Sub btnCancel_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnCancel.Click
btnSave.Enabled = False btnCancel.Enabled = False btnNew.Enabled = True txtNmMhs.Text = "" txtNoHP_Telp.Text = ""
IF-UTAMA Ver/Rev:0/0 Halaman: 8 txtAlamat.Text = "" txtKota.Text = "" txtPropinsi.Text = "" txtKode_Pos.Text = "" cboNPM.Enabled = True loadCBO() DisabledField() End Sub
Private Sub FEmp_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
'Is necesary change the path of database 'loadCBO()
MsgBox("Klik Browse untuk menentukan posisi database", MsgBoxStyle.Information + MsgBoxStyle.OkOnly, "Browse Path Database")
End Sub
Private Sub cboId_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles
cboNPM.SelectedIndexChanged find()
End Sub
Private Sub btnEdit_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnEdit.Click
intAccion = 2 btnNew.Enabled = False btnEdit.Enabled = False btnDelete.Enabled = False btnSave.Enabled = True btnCancel.Enabled = True cboNPM.Enabled = False EnabledField() txtError.Text = "" End Sub
Private Sub btnDelete_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnDelete.Click
If MsgBox("Hapus Data", MsgBoxStyle.Question Or MsgBoxStyle.YesNo, "") = MsgBoxResult.No Then
cboNPM.Focus() Exit Sub End If delete() btnSave.Enabled = False btnCancel.Enabled = False btnNew.Enabled = True txtNmMhs.Text = "" txtNoHP_Telp.Text = "" txtAlamat.Text = "" txtKota.Text = ""
IF-UTAMA Ver/Rev:0/0 Halaman: 9 txtPropinsi.Text = "" txtKode_Pos.Text = "" cboNPM.Enabled = True loadCBO() DisabledField() End Sub
Private Sub btnBrowse_Click(ByVal sender As System.Object, ByVal e As System.EventArgs)
OpenFileDialog1.ShowDialog()
txtPath.Text = OpenFileDialog1.FileName loadCBO()
End Sub
Private Sub btnBrowse_Click_1(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnBrowse.Click
OpenFileDialog1.ShowDialog()
txtPath.Text = OpenFileDialog1.FileName loadCBO()
End Sub End Class
6. Jalankan program dan bwt penjelasan serta analisisnya (dalam format file doc/docx). Kirim ke imel saya paling lambat Minggu, 12 Desember jam 24:00. Subject imel dan nama file hasil analisis: Pemrograman III-sesi 13-<NPM> <Nama>
Program di atas adalah hasil modifikasi dari sumber : Balderrama, Israel, Add, Edit and Delete Recordset in Access Database[online],url: http://www.Planet-Source-Code.com/vb/scripts/ShowCode.asp?txtCodeId=2186&lngWId=10, Tanggal Akses
TUGAS KELOMPOK (MAX 5 ORANG PER KELOMPOK)
1. Donlod program dari http://www.Planet-Source-Code.com/vb/scripts/ShowCode.asp?txtCodeId=1991&lngWId=10 dan
http://www.Planet-Source-Code.com/vb/scripts/ShowCode.asp?txtCodeId=7088&lngWId=10
2. Jalankan program dan bwt penjelasan serta analisisnya, kemudian bwt perbandingan dengan program pada sesi ini (dalam format file doc/docx). Kirim ke imel saya paling lambat Minggu, 12 Desember jam 24:00. Subject imel dan nama file hasil analisis: Pemrograman III-Tugas05-<NPM1> <Nama1>-<NPM2> <Nama2>-<NPM3> <Nama3>-<NPM4> <Nama4>-<NPM5> <Nama5>
