Jawaban no 2 (Dedy Setiawan)

Form Client :

Listing Program Modul :

Public SQL As String

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


Listing Program
Dim IPServer As String


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

Sub MulaiKoneksi()
IPServer = "192.168.10.1"
IPClient = WS.LocalIP
WS.Connect IPServer, 1000
End Sub

Private Sub Form_QueryUnload(Cancel As Integer, UnloadMode As Integer)
DoEvents
End
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

Private Sub CmdProses_Click(Index As Integer)
Select Case Index
    Case 0
        Call Hapus
        Kode.SetFocus
    Case 1
        If CmdProses(1).Caption = "&Simpan" Then
       
        Else
       
        End If
    Case 2
        X = MsgBox("Yakin RECORD Barang Akan Dihapus.....!", vbQuestion + vbYesNo, "Barang")
        If X = vbYesNo 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 Form_Load()
Call Hapus
MulaiKoneksi
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 "Penghapusan Data Berhasil!"
        Call Hapus
    Case "EDIT"
        MsgBox "Pengeditan Record Berhasil!"
        Call Hapus
    End Select
End Sub


Form Server :

Listing 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:\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




Listing Program :


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"
 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 dihapus...!", 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 "Masukkan 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 "INSERT"
            Db.BeginTrans
            Db.Execute xData1(1), adCmdTable
            Db.CommitTrans
            WS.SendData " INSERT-xxx"
            Adodc1.Refresh
           
         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
    End Select
End Sub