Jawaban No 2 (Harianto S)

sumber : Kasus…

Listing Program Server :

MODUL
Public Db As New ADODB.Connection
Public RS As New ADODB.Recordset
Public RS2 As New ADODB.Recordset
Public SQL As String

Sub OPENDB()
If Db.State = adStateOpen Then Db.Close
Db.CursorLocation = adUseClient
Db.Open “Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:\logOnOff\SERVER\belajarserver\Test.mdb;Persist Security Info=False”
End Sub
Sub clearFORM(f As Form)
Dim ctl As Control
For Each ctl In f
If TypeOf ctl Is TextBox Then ctl.Text = “”
If TypeOf ctl Is ComboBox Then ctl.Text = “”
Next

End Sub
Sub center(f As Form)
f.Move (Screen.Width – f.Width) / 2, (Screen.Height – f.Height) / 4
End Sub
‘
Sub RubahCMD(f As Form, L0 As Boolean, L1 As Boolean, L2 As Boolean, L3 As Boolean)
f.cmdproses(0).Enabled = L0
f.cmdproses(1).Enabled = L1
f.cmdproses(2).Enabled = L2
f.cmdproses(3).Enabled = L3
End Sub
FORM1
Sub hapus()
kode.Enabled = True
clearFORM Me
Call RubahCMD(Me, True, False, False, False)
cmdproses(1).Caption = ” &Simpan “
End Sub
Sub prosesdb(log As Byte)
Select Case log
Case 0
SQL = “INSERT into barang
(kode,nama,harga)” & _
“values(‘” & kode.Text & _
“‘,’” & nama.Text & _
“‘,’” & harga.Text & “‘)”
Case 1
SQL = “UPDATE barang set nama=’” & nama.Text & “‘,” & _
” harga=’” & harga.Text & “‘ ” & _
“where kode=’” & kode.Text & “‘”
Case 2
SQL = “DELETE From barang where kode=’” & kode.Text & “‘”
End Select
MsgBox “pemrosesan record database telah berhasil….!!”, vbInformation, “barang”
Db.BeginTrans
Db.Execute SQL, adCmdTable
Db.CommitTrans
Call hapus
Adodc1.Refresh
kode.SetFocus
End Sub
Sub tampilbarang()
On Error Resume Next
kode.Text = RS!kode
nama.Text = RS!nama
harga.Text = RS!harga
End Sub
Private Sub cmdproses_click(Index As Integer)
Select Case Index
Case 0
Call hapus
kode.SetFocus
Case 1
If cmdproses(1).Caption = “&Simpan” Then
Call prosesdb(0)
Else
Call prosesdb(1)
End If
Case 2
X = MsgBox(“yakin record barang akan di hapus…!”, vbQuestion + vbYesNo, “barang”)
If X = vbYes Then prosesdb (2)
Call hapus
kode.SetFocus
Case 3
Call hapus
kode.SetFocus
Case 4
Unload Me
End Select
End Sub
Private Sub Form_Load()
Call OPENDB
Call hapus
mulaiserver
End Sub
Private Sub kode_KeyPress(KeyAscii As Integer)
If KeyAscii = 13 Then
If kode.Text = “” Then
MsgBox “masukan kode barang..!”, vbInformation, “barang”
kode.SetFocus
Exit Sub
End If
SQL = “select*from barang where kode=’” & kode.Text & “‘”
If RS.State = adStateOpen Then RS.Close
RS.Open SQL, Db, adOpenDynamic, adLockOptimistic
If RS.RecordCount <> 0 Then
tampilbarang
Call RubahCMD(Me, False, True, True, True)
cmdproses(1).Caption = “&Edit”
kode.Enabled = False
Else
X = kode.Text
Call hapus
kode.Text = X
Call RubahCMD(Me, False, True, False, True)
cmdproses(1).Caption = “&Simpan”
End If
nama.SetFocus
End If
End Sub
Sub mulaiserver()
WS.LocalPort = 1000
WS.Listen
End Sub
Private Sub WS_ConnectionRequest(ByVal requestID As Long)
WS.Close
WS.Accept requestID
Me.Caption = “server-client” & WS.RemoteHostIP & “Connect”
End Sub
Private Sub WS_DataArrival(ByVal bytesTotal As Long)
Dim xKirim As String
Dim xData1() As String
Dim xData2() As String
WS.GetData xKirim, vbString, bytesTotal
xData1 = Split(xKirim, “-”)
Select Case xData1(0)
Case “SEARCH”
SQL = “select*from barang where kode=’” & xData1(1) & “‘”
If RS.State = adStateOpen Then RS.Close
RS.Open SQL, Db, adOpenDynamic, adLockOptimistic
If RS.RecordCount <> 0 Then
WS.SendData “RECORD-” & RS!nama & “/” & RS!harga
Else
WS.SendData “NOTHING-DATA”
End If
Case “DELETE”
SQL = “DELETE * From barang ” & _
“where kode=’” & xData1(1) & “‘”
Db.BeginTrans
Db.Execute SQL, adCmdTable
Db.CommitTrans
Adodc1.Refresh
WS.SendData “DEL-xxx”
Case “UPDATE”
Db.BeginTrans
Db.Execute xData1(1), adCmdTable
Db.CommitTrans
WS.SendData “Edit-xxx”
Adodc1.Refresh
Case “INSERT”
Db.BeginTrans
Db.Execute xData1(1), adCmdTable
Db.CommitTrans
WS.SendData “INSERT-xxx”
Adodc1.Refresh
End Select
End Sub
MDIFORM1
Private Sub data_barang_Click()
Form1.Show
End Sub
Private Sub exit_Click()
End
End Sub

Listing Program Client :

MODUL
Public sql As String
Sub clearform(f As Form)
Dim clt As Control
For Each clt In f
If TypeOf clt Is TextBox Then clt.Text = “”
If TypeOf clt Is ComboBox Then clt.Text = “”
Next
End Sub
Sub center(f As Form)
f.Move (Screen.Width – f.Width) / 2, (Screen.Height – f.Height) / 4
End Sub
Sub RubahCMD(f As Form, L0 As Boolean, L1 As Boolean, L2 As Boolean, L3 As Boolean)
f.cmdProses(0).Enabled = L0
f.cmdProses(1).Enabled = L1
f.cmdProses(2).Enabled = L2
f.cmdProses(3).Enabled = L3
End Sub
FORM1
Sub Hapus()
kode.Enabled = True
clearform Me
Call RubahCMD(Me, True, False, False, False)
cmdProses(1).Caption = “&Simpan”
End Sub
Sub ProsesDB(Log As Byte)
Select Case Log
Case 0
sql = “INSERT INTO barang(Kode, Nama, Harga)” & _
“values(‘” & kode.Text & _
“‘,’” & nama.Text & _
“‘,’” & harga.Text & “‘)”
Case 1
sql = “UPDATE barang set Nama = ‘” & nama.Text & “‘,” & _
“Harga = ‘” & harga.Text & “‘, ” & _
“where Kode = ‘” & kode.Text & “‘”
Case 2
sql = “DELETE FROM barang WHERE Kode=’” & kode.Text & “‘”
End Select
MsgBox “Pemrosesan Record Database telah berhasil…!”, vbInformation, “Data Barang”
Call Hapus
kode.SetFocus
End Sub
Private Sub cmdProses_Click(Index As Integer)
Select Case Index
Case 0
Call Hapus
kode.SetFocus
Case 1
If cmdProses(1).Caption = “&Simpan” Then
sql = “INSERT INTO barang(kode,nama,harga)” & _
“values(‘” & kode.Text & _
“‘,’” & nama.Text & _
“‘,’” & harga.Text & “‘)”
WS.SendData “INSERT-” & sql
Else
sql = “UPDATE barang set ” & _
“nama=’” & nama.Text & _
“‘,harga=’” & harga.Text & _
“‘ where kode=’” & kode.Text & “‘”
WS.SendData “UPDATE-” & sql
End If
Case 2
X = MsgBox(“Yakin Record Barang Akan Dihapus…..!!!”, vbQuestion + vbYesNo, “Barang”)
If X = vbYes Then
WS.SendData “DELETE-” & kode.Text
End If
Call Hapus
kode.SetFocus
Case 3
Call Hapus
kode.SetFocus
Case 4
Unload Me
End Select
End Sub
Private Sub kode_keypress(keyAscii As Integer)
If keyAscii = 13 Then
If kode.Text = “” Then Exit Sub
WS.SendData “SEARCH-” & kode.Text
End If
End Sub
Sub mulaikoneksi()
ipserver = “127.0.0.1″
ipclient = WS.LocalIP
WS.Connect ipserver, 1000
End Sub
Private Sub Form_Load()
Call Hapus
mulaikoneksi
End Sub
Private Sub form_Queryunload(cancel As Integer, unloadmode As Integer)
DoEvents
End
End Sub
Private Sub WS_dataarrival(ByVal bytesTotal As Long)
Dim xkirim As String
Dim xdata1() As String
Dim xdata2() As String
WS.GetData xkirim, vbString, bytesTotal
xdata1 = Split(xkirim, “-”)
Select Case xdata1(0)
Case “NOTHING”
X = kode.Text
Call Hapus
kode.Text = X
Call RubahCMD(Me, False, True, False, True)
cmdProses(1).Caption = “&Simpan”
nama.SetFocus
Case “RECORD”
xdata2 = Split(xdata1(1), “/”)
nama.Text = xdata2(0)
harga.Text = xdata2(1)
Call RubahCMD(Me, False, True, True, True)
cmdProses(1).Caption = “&Edit”
kode.Enabled = False
nama.SetFocus
Case “DEL”
MsgBox “Penhapusan Data Berhasil…..!!!”
Call Hapus
Case “EDIT”
MsgBox “Pengeditan Record Berhasil…..!!!”
Call Hapus
Case “INSERT”
MsgBox “Penyimpanan Record Berhasil…..!!!”
Call Hapus
End Select
End Sub
Hasil/Tampilan Program :
Form Menu 

Form Barang Server


Form Barang Client