HUNIAN RAKYAT: Source Code Aplikasi Koprasi menggunakan Bahasa VB.net

Imports System.IO

Public Class Master

Private Sub IndukToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles IndukToolStripMenuItem.Click

End Sub

Private Sub AdminToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles AdminToolStripMenuItem.Click

Admin.Show()

End Sub

Private Sub AnggotaToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles AnggotaToolStripMenuItem.Click

NASABAH.Show()

End Sub

Private Sub BukuPinjamanToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BukuPinjamanToolStripMenuItem.Click

Pinjaman.Show()

End Sub

Private Sub BukuSetoranToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BukuSetoranToolStripMenuItem.Click

BayarCicilan.Show()

End Sub

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

End Sub

Private Sub GantiPasswordAdmToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles GantiPasswordAdmToolStripMenuItem.Click

GantiPassword.Show()

End Sub

Private Sub LapDataAnggotaToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles LapDataAnggotaToolStripMenuItem.Click

FLaporan.Show()

End Sub

Private Sub TutupProgramToolStripMenuItem1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TutupProgramToolStripMenuItem1.Click

Me.Close()

End Sub

Private Sub TutupProgramToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TutupProgramToolStripMenuItem.Click

Dim dlg As New SaveFileDialog

dlg.DefaultExt = "*.mdb"

dlg.Filter = "ACCESS 2007|*.mdb|All File|*"

If dlg.ShowDialog = Windows.Forms.DialogResult.OK Then

Conn.Close()

File.Copy(Application.StartupPath & "\BKc.mdb", dlg.FileName, True)

Conn.Open()

End If

End Sub

Private Sub ImportToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ImportToolStripMenuItem.Click

Dim dlg As New OpenFileDialog

dlg.DefaultExt = "*.mdb"

dlg.Filter = "ACCESS 2007|*.mdb|All File|*"

If dlg.ShowDialog = Windows.Forms.DialogResult.OK Then

Conn.Close()

File.Copy(dlg.FileName, Application.StartupPath & "\KDS.mdb", True)

Master_Load(Nothing, Nothing)

End If

End Sub

End Class

Imports System.Data.OleDb

Public Class Admin

Sub Tampilkan()

da = New OleDbDataAdapter("Select * from ADMIN ORDER BY 1", Conn)

ds = New DataSet

ds.Clear()

da.Fill(ds, "ADMIN")

DGV.DataSource = (ds.Tables("ADMIN"))

DGV.ReadOnly = True

End Sub

Sub Kosongkan()

TextBox1.Text = ""

TextBox2.Text = ""

TextBox3.Text = ""

ComboBox1.Text = ""

TextBox1.Focus()

End Sub

Sub DataBaru()

TextBox2.Text = ""

TextBox3.Text = ""

ComboBox1.Text = ""

TextBox2.Focus()

End Sub

Sub TampilstatusADMIN()

ComboBox1.Items.Clear()

cmd = New OleDbCommand("select distinct Status_Admin from ADMIN", Conn)

rd = cmd.ExecuteReader

While rd.Read

ComboBox1.Items.Add(rd.GetString(0))

End While

End Sub

Sub aturform()

Me.Top = 100

Me.Left = 450

End Sub

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

Call Koneksi()

Call Tampilkan()

Call aturform()

ComboBox1.Items.Add("Administrasi")

ComboBox1.Items.Add("Operator")

ComboBox1.Items.Add("User")

End Sub

Private Sub TextBox1_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles TextBox1.KeyPress

If e.KeyChar = Chr(13) Then

TextBox1.Text = UCase(TextBox1.Text)

cmd = New OleDbCommand("select * from ADMIN where Kode_Admin='" & TextBox1.Text & "'", Conn)

rd = cmd.ExecuteReader

rd.Read()

If rd.HasRows = True Then

TextBox2.Text = rd.GetString(1)

TextBox3.Text = rd.GetString(2)

ComboBox1.Text = rd.GetString(3)

TextBox2.Focus()

Else

Call DataBaru()

TextBox2.Focus()

End If

End Sub

Private Sub TextBox2_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles TextBox2.KeyPress

If e.KeyChar = Chr(13) Then

TextBox3.Focus()

TextBox2.Text = UCase(TextBox2.Text)

End If

End Sub

Private Sub TextBox3_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles TextBox3.KeyPress

If e.KeyChar = Chr(13) Then ComboBox1.Focus()

End Sub

Private Sub ComboBox1_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles ComboBox1.KeyPress

If e.KeyChar = Chr(13) Then CmdSimpan.Focus()

End Sub

Private Sub CmdSimpan_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles CmdSimpan.Click

If TextBox1.Text = "" Or TextBox2.Text = "" Or TextBox3.Text = "" Or ComboBox1.Text = "" Then

MsgBox("Data Belum Lengkap")

Exit Sub

Else

cmd = New OleDbCommand("Select * from ADMIN where Kode_Admin='" & TextBox1.Text & "'", Conn)

rd = cmd.ExecuteReader

rd.Read()

If Not rd.HasRows Then

Dim sqltambah As String = "Insert into ADMIN (Kode_Admin,Nama_Admin,Password_Admin,Status_Admin) values " & _

"('" & TextBox1.Text & "','" & TextBox2.Text & "','" & TextBox3.Text & "','" & ComboBox1.Text & "')"

cmd = New OleDbCommand(sqltambah, Conn)

cmd.ExecuteNonQuery()

Call Kosongkan()

Call Tampilkan()

Else

Dim sqledit As String = "Update ADMIN set " & _

"Nama_Admin='" & TextBox2.Text & "', " & _

"Password_Admin='" & TextBox3.Text & "', " & _

"Status_Admin='" & ComboBox1.Text & "' where Kode_Admin='" & TextBox1.Text & "'"

cmd = New OleDbCommand(sqledit, Conn)

cmd.ExecuteNonQuery()

Call Kosongkan()

Call Tampilkan()

End If

End Sub

Private Sub CmdBatal_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles CmdBatal.Click

Call Kosongkan()

End Sub

Private Sub CmdTutup_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles CmdTutup.Click

Me.Close()

End Sub

Private Sub CmdHapus_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles CmdHapus.Click

If TextBox1.Text = "" Then

MsgBox("Isi kode Petugas terlebih dahulu")

TextBox1.Focus()

Exit Sub

Else

If MessageBox.Show("Yakin akan dihapus..?", "", MessageBoxButtons.YesNo) = Windows.Forms.DialogResult.Yes Then

cmd = New OleDbCommand("Delete * from ADMIN where Kode_Admin='" & TextBox1.Text & "'", Conn)

cmd.ExecuteNonQuery()

Call Kosongkan()

Call Tampilkan()

Else

Call Kosongkan()

End If

End Sub

End Class

Imports System.Data.OleDb

Public Class BayarCicilan

Sub Bersihkan()

ComboBox1.Text = ""

LblNama.Text = ""

LblAlamat.Text = ""

LblTelepon.Text = ""

LblJumlah.Text = ""

LblTanggalTempo.Text = ""

LblTerlambat.Text = ""

LblTelahBayar.Text = ""

LblSisaLalu.Text = ""

LblDenda.Text = ""

TxtAngsuran.Text = ""

LblCicilanKe.Text = ""

LblSisaSekarang.Text = ""

LblTanggalKredit.Text = ""

Label3.Text = ""

TxtKeterangan.Text = "-"

End Sub

Sub Otomatis()

cmd = New OleDbCommand("Select * from BayarCicilan where NomorByr in (select max(NomorByr) from BayarCicilan) order by NomorByr desc", Conn)

Dim urutan As String

Dim hitung As Long

rd = cmd.ExecuteReader

rd.Read()

If Not rd.HasRows Then

urutan = "BY" + Format(Now, "yyMMdd") + "01"

Else

If Microsoft.VisualBasic.Mid(rd.GetString(0), 3, 6) <> Format(Now, "yyMMdd") Then

urutan = "BY" + Format(Now, "yyMMdd") + "01"

Else

hitung = Microsoft.VisualBasic.Right(rd.GetString(0), 8) + 1

urutan = "BY" + Format(Now, "yyMMdd") + Microsoft.VisualBasic.Right("00" & hitung, 2)

End If

LblNomorByr.Text = urutan

End Sub

Sub TampilPinjaman()

da = New OleDbDataAdapter("select * from Pinjaman ", Conn)

ds = New DataSet

da.Fill(ds, "Pinjaman")

DGV1.DataSource = ds.Tables("Pinjaman")

End Sub

Sub TampilCicilan()

da = New OleDbDataAdapter("select * from Bayarcicilan", Conn)

ds = New DataSet

da.Fill(ds, "Bayarcicilan")

DGV2.DataSource = ds.Tables("Bayarcicilan")

End Sub

Sub TampilIDKREDIT()

cmd = New OleDbCommand("Select * from pinjaman where ketERANGAN<>'LUNAS'", Conn)

rd = cmd.ExecuteReader

Do While rd.Read

ComboBox1.Items.Add(rd.Item(0))

Loop

End Sub

Private Sub BayarCicilan_Activated(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Activated

Call Otomatis()

LblTanggalByr.Text = Today

End Sub

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

Call Koneksi()

Call TampilIDKredit()

Call TampilPinjaman()

Call TampilCicilan()

Call Bersihkan()

End Sub

Private Sub ComboBox1_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles ComboBox1.KeyPress

If e.KeyChar = Chr(13) Then TxtAngsuran.Focus()

End Sub

Private Sub ComboBox1_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ComboBox1.SelectedIndexChanged

cmd = New OleDbCommand("select * from Pinjaman where IDKREDIT='" & ComboBox1.Text & "'", Conn)

rd = cmd.ExecuteReader

rd.Read()

If rd.HasRows Then

LblJumlah.Text = rd.Item("jumlah")

TxtAngsuran.Text = rd.Item("angsuran")

LblSisaLalu.Text = rd.Item("sisa")

LblTanggalKredit.Text = rd.Item("tanggal")

LblCicilanKe.Text = Val(rd.Item("angsuranke")) + 1

'jika belum pernah membayar angsuran maka jatuh tempo pembayaran adalah dimulai dari tanggal beli + 30 hari

If rd.Item("angsuranke") = 2 Then

LblTanggalTempo.Text = DateAdd(DateInterval.Day, 30, rd.Item(1))

Else

'jika pernah ada angsuran, maka angsuran berikutnya

'adalah 30 hari X jumlah angsuran yang penah dibayar

LblTanggalTempo.Text = DateAdd(DateInterval.Day, 30 * LblCicilanKe.Text, rd.Item(1))

End If

'jumlah denda adalah 5000 x hari keterlambatan dati tgl jatuh tempo

If CDate(LblTanggalByr.Text) > CDate(LblTanggalTempo.Text) Then

LblTerlambat.Text = Val(LblTanggalByr.Text) - Val(LblTanggalTempo.Text)

LblDenda.Text = 5000 * Val(LblTerlambat.Text)

Else

LblTerlambat.Text = 0

LblDenda.Text = 0

End If

If rd.Item("telahbayar") = 0 Then

LblTelahBayar.Text = 0

Else

LblTelahBayar.Text = rd.Item("telahbayar")

End If

'mencari identitas Anggota yang dihasilkan dari query Pinjaman

cmd = New OleDbCommand("select * from NASABAH where ID_nasabah='" & rd.Item(2) & "'", Conn)

rd = cmd.ExecuteReader

rd.Read()

If rd.HasRows Then

LblNama.Text = rd.Item("Nama")

LblAlamat.Text = rd.Item("Alamat_Instansi")

LblTelepon.Text = rd.Item("Telepon")

Label3.Text = rd.Item("ID_nasabah")

End If

End Sub

Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BTNBatal.Click

Call Bersihkan()

End Sub

Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BTNTutup.Click

Me.Close()

End Sub

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

If e.KeyChar = Chr(13) Then

cmd = New OleDbCommand("SELECT * FROM Pinjaman WHERE IDKREDIT='" & ComboBox1.Text & "'", Conn)

rd = cmd.ExecuteReader

rd.Read()

If rd.HasRows Then

'jika angsuran melebihi sisa pembayaran, maka tampilkan dalam keterangan uang kembaliannya

If Val(TxtAngsuran.Text) > rd.Item("sisa") Then

TxtAngsuran.Text = TxtAngsuran.Text

TxtKeterangan.Text = "kembali" & Space(1) & (TxtAngsuran.Text - rd.Item("sisa")) & Space(1) & "LUNAS"

'LblCicilanKe.Text = 1

LblSisaSekarang.Text = 0

Else

'sisa sekarang tampil setelah dikurang angsuran indikasi cicilan terus berubah yaitu cicilan bulan lalu + 1

LblSisaSekarang.Text = LblSisaLalu.Text - TxtAngsuran.Text

TxtKeterangan.Text = "Pembayaran Bulan" & Space(1) & (MonthName(Month(LblTanggalTempo.Text)))

TxtKeterangan.Text = TxtKeterangan.Text & Space(1) & Year(LblTanggalTempo.Text)

TxtKeterangan.Focus()

End If

TxtKeterangan.Focus()

End If

End Sub

Private Sub BTNSimpan_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BTNSimpan.Click

If ComboBox1.Text = "" Or TxtAngsuran.Text = "" Or LblSisaSekarang.Text = "" Then

MsgBox("Data belum lengkap, coba enter di angsuran + denda")

TxtAngsuran.Focus()

Exit Sub

End If

Dim Simpan As String = "INSERT INTO bayarcicilan(nomorbyr,tanggalbyr,IDKREDIT,ID_nasabah,JUMLAH,sisa,CICILAN,keterangan,Kode_Admin) VALUES " & _

"('" & LblNomorByr.Text & "','" & LblTanggalByr.Text & "','" & ComboBox1.Text & "','" & Label3.Text & "','" & TxtAngsuran.Text & "','" & LblSisaSekarang.Text & "','" & LblCicilanKe.Text & "','" & TxtKeterangan.Text & "','" & Master.ToolStripStatusLabel1.Text & "')"

cmd = New OleDbCommand(Simpan, Conn)

cmd.ExecuteNonQuery()

'sisa pembayaran terus berkurang akibat pembayaran

'jumlah telah bayar terus bertambah

'jika sisa sekarang = 0 maka keterangan =lunas

'indikasi angsuran terus berubah 1,2,3 dan seterusnya

cmd = New OleDbCommand("SELECT * FROM Pinjaman WHERE IDKREDIT='" & ComboBox1.Text & "'", Conn)

rd = cmd.ExecuteReader

rd.Read()

If rd.HasRows Then

If LblSisaSekarang.Text = 0 Then

Dim updatedata As String = "UPDATE Pinjaman SET SISA='" & LblSisaSekarang.Text & "',telahbayar= '" & rd.Item("telahbayar") + TxtAngsuran.Text & "',ANGSURANKE='" & LblCicilanKe.Text & "',keterangan='LUNAS' WHERE IDKREDIT='" & ComboBox1.Text & "'"

cmd = New OleDbCommand(updatedata, Conn)

cmd.ExecuteNonQuery()

Else

Dim updatedata As String = "UPDATE Pinjaman SET SISA='" & rd.Item("sisa") - TxtAngsuran.Text & "',telahbayar= '" & rd.Item("telahbayar") + TxtAngsuran.Text & "',ANGSURANKE='" & LblCicilanKe.Text & "',keterangan='-' WHERE IDKREDIT='" & ComboBox1.Text & "'"

cmd = New OleDbCommand(updatedata, Conn)

cmd.ExecuteNonQuery()

End If

cmd = New OleDbCommand("SELECT * FROM Pinjaman WHERE IDKREDIT='" & ComboBox1.Text & "' AND SISA=0", Conn)

rd = cmd.ExecuteReader

rd.Read()

If rd.HasRows Then

Dim UBAHKET As String = "UPDATE Pinjaman SET KETerangan='LUNAS' WHERE IDKREDIT='" & ComboBox1.Text & "'"

cmd = New OleDbCommand(UBAHKET, Conn)

cmd.ExecuteNonQuery()

End If

Call Otomatis()

Call Bersihkan()

Call TampilPinjaman()

Call TampilCicilan()

ComboBox1.Focus()

End If

End Sub

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

If e.KeyChar = Chr(13) Then

If TxtKeterangan.Text = "" Then

TxtKeterangan.Text = "-"

Else

btnsimpan.Focus()

End If

End Sub

Private Sub TxtAngsuran_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TxtAngsuran.TextChanged

End Sub

End Class

Imports System.Data.OleDb

Public Class FLaporan

Sub setingform()

Me.Top = 60

Me.Left = 250

End Sub

Sub bayarcicilan()

Dim A As CrystalDecisions.CrystalReports.Engine.Table

Dim B As CrystalDecisions.Shared.TableLogOnInfo

Dim Report1 As CrystalDecisions.CrystalReports.Engine.ReportDocument

Report1 = New CrystalDecisions.CrystalReports.Engine.ReportDocument()

Report1.Load(Application.StartupPath & "\lap_BayarCicil.rpt")

For Each A In Report1.Database.Tables

B = A.LogOnInfo

With B.ConnectionInfo

.ServerName = Application.StartupPath & "\BKc.mdb"

.UserID = ""

.Password = ""

.DatabaseName = ""

End With

A.ApplyLogOnInfo(B)

Next A

Me.CrystalReportViewer1.ReportSource = Report1

End Sub

Sub nasabah()

Dim A As CrystalDecisions.CrystalReports.Engine.Table

Dim B As CrystalDecisions.Shared.TableLogOnInfo

Dim Report1 As CrystalDecisions.CrystalReports.Engine.ReportDocument

Report1 = New CrystalDecisions.CrystalReports.Engine.ReportDocument()

Report1.Load(Application.StartupPath & "\NASABAH.rpt")

For Each A In Report1.Database.Tables

B = A.LogOnInfo

With B.ConnectionInfo

.ServerName = Application.StartupPath & "\BKc.mdb"

.UserID = ""

.Password = ""

.DatabaseName = ""

End With

A.ApplyLogOnInfo(B)

Next A

Me.CrystalReportViewer1.ReportSource = Report1

End Sub

Sub pinjaman()

Dim A As CrystalDecisions.CrystalReports.Engine.Table

Dim B As CrystalDecisions.Shared.TableLogOnInfo

Dim Report1 As CrystalDecisions.CrystalReports.Engine.ReportDocument

Report1 = New CrystalDecisions.CrystalReports.Engine.ReportDocument()

Report1.Load(Application.StartupPath & "\PINJAMAN.rpt")

For Each A In Report1.Database.Tables

B = A.LogOnInfo

With B.ConnectionInfo

.ServerName = Application.StartupPath & "\BKc.mdb"

.UserID = ""

.Password = ""

.DatabaseName = ""

End With

A.ApplyLogOnInfo(B)

Next A

Me.CrystalReportViewer1.ReportSource = Report1

End Sub

Sub kopetgaring()

Dim A As CrystalDecisions.CrystalReports.Engine.Table

Dim B As CrystalDecisions.Shared.TableLogOnInfo

Dim Report1 As CrystalDecisions.CrystalReports.Engine.ReportDocument

Report1 = New CrystalDecisions.CrystalReports.Engine.ReportDocument()

Report1.Load(Application.StartupPath & "\lappertgl.rpt")

For Each A In Report1.Database.Tables

B = A.LogOnInfo

With B.ConnectionInfo

.ServerName = Application.StartupPath & "\BKc.mdb"

.UserID = ""

.Password = ""

.DatabaseName = ""

End With

A.ApplyLogOnInfo(B)

Next A

Me.CrystalReportViewer1.ReportSource = Report1

End Sub

Sub laporanperorangan()

Dim A As CrystalDecisions.CrystalReports.Engine.Table

Dim B As CrystalDecisions.Shared.TableLogOnInfo

Dim Report1 As CrystalDecisions.CrystalReports.Engine.ReportDocument

Report1 = New CrystalDecisions.CrystalReports.Engine.ReportDocument()

Report1.Load(Application.StartupPath & "\LAP_PERORANGAN.rpt")

For Each A In Report1.Database.Tables

B = A.LogOnInfo

With B.ConnectionInfo

.ServerName = Application.StartupPath & "\BKc.mdb"

.UserID = ""

.Password = ""

.DatabaseName = ""

End With

A.ApplyLogOnInfo(B)

Next A

Me.CrystalReportViewer1.ReportSource = Report1

End Sub

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

Call setingform()

End Sub

Private Sub Label1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Label1.Click

Call nasabah()

End Sub

Private Sub Label2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Label2.Click

Call pinjaman()

End Sub

Private Sub Label3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Label3.Click

Call kopetgaring()

End Sub

Private Sub Label4_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Label4.Click

CrystalReportViewer1.Hide()

End Sub

Private Sub Label5_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Label5.Click

CrystalReportViewer1.Show()

End Sub

Private Sub Label6_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Label6.Click

Call bayarcicilan()

End Sub

Private Sub Label7_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Label7.Click

Call laporanperorangan()

End Sub

End Class

Imports System.Data.OleDb

Public Class GantiPassword

Private Sub TextBox1_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles TextBox1.KeyPress

If e.KeyChar = Chr(13) Then

cmd = New OleDbCommand("select * from ADMIN where Nama_Admin='" & TextBox1.Text & "' and Kode_Admin='" & Master.ToolStripStatusLabel1.Text & "'", Conn)

rd = cmd.ExecuteReader

rd.Read()

If rd.HasRows Then

TextBox2.Enabled = True

TextBox2.Focus()

Else

MsgBox("Anda tidak berhak mengganti password disini")

TextBox1.Focus()

End If

End Sub

Private Sub TextBox2_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles TextBox2.KeyPress

If e.KeyChar = Chr(13) Then

cmd = New OleDbCommand("select * from ADMIN where Nama_Admin='" & Master.ToolStripStatusLabel2.Text & "' and Password_Admin='" & TextBox2.Text & "' ", Conn)

rd = cmd.ExecuteReader

rd.Read()

If rd.HasRows Then

TextBox3.Enabled = True

TextBox3.Focus()

Else

MsgBox("Password lama salah")

TextBox2.Focus()

End If

End Sub

Private Sub TextBox3_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles TextBox3.KeyPress

If e.KeyChar = Chr(13) Then

If TextBox3.Text = "" Then

MsgBox("Passwrod baru wajib diisi")

TextBox3.Focus()

Else

TextBox4.Enabled = True

TextBox4.Focus()

End If

End Sub

Private Sub TextBox4_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles TextBox4.KeyPress

If e.KeyChar = Chr(13) Then

If TextBox4.Text <> TextBox3.Text Then

MsgBox("Password konfirmasi salah")

TextBox4.Focus()

Else

If MessageBox.Show("Yakin akan ganti password..?", "", MessageBoxButtons.YesNo) = Windows.Forms.DialogResult.Yes Then

Dim ganti As String = "Update ADMIN set Password_Admin='" & TextBox3.Text & "' where Nama_Admin='" & TextBox1.Text & "' and Kode_Admin='" & Master.ToolStripStatusLabel1.Text & "'"

cmd = New OleDbCommand(ganti, Conn)

cmd.ExecuteNonQuery()

TextBox1.Clear()

TextBox2.Clear()

TextBox3.Clear()

TextBox4.Clear()

Me.Close()

Else

TextBox1.Clear()

TextBox2.Clear()

TextBox3.Clear()

TextBox4.Clear()

Me.Close()

End If

End Sub

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

TextBox2.Enabled = False

TextBox3.Enabled = False

TextBox4.Enabled = False

End Sub

End Class

Imports System.Data.OleDb

Public Class Login

Sub aturform()

Me.Top = 150

Me.Left = 450

End Sub

Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click

Me.Close()

End Sub

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

Call aturform()

End Sub

Private Sub TextBox1_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles TextBox1.KeyPress

If e.KeyChar = Chr(13) Then TextBox2.Focus()

End Sub

Private Sub TextBox2_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles TextBox2.KeyPress

If e.KeyChar = Chr(13) Then Button1.Focus()

End Sub

Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click

TextBox1.Clear()

TextBox2.Clear()

End Sub

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click

Koneksi()

cmd = New OleDbCommand("select * from ADMIN where Nama_Admin='" & TextBox1.Text & "' and Password_Admin='" & TextBox2.Text & "'", Conn)

rd = cmd.ExecuteReader

rd.Read()

If rd.HasRows Then

Me.Visible = False

Master.Show()

Master.ToolStripStatusLabel1.Text = rd.GetString(0)

Master.ToolStripStatusLabel2.Text = rd.GetString(1)

Master.ToolStripStatusLabel3.Text = rd.GetString(3)

Else

MsgBox("login salah, periksan kembali user name dan password")

TextBox1.Focus()

End If

End Sub

End Class

KONEKSI MENGGUNAKAN MODUL

Imports System.Data.OleDb

Module Module1

Public Conn As OleDbConnection

Public da As OleDbDataAdapter

Public ds As DataSet

Public cmd As OleDbCommand

Public rd As OleDbDataReader

Public str As String

Public hasil As Integer

Public Sub Koneksi()

str = "provider=microsoft.jet.oledb.4.0;data source=" & Application.StartupPath & "\BKc.mdb"

Conn = New OleDbConnection(str)

If Conn.State = ConnectionState.Closed Then

Conn.Open()

End If

End Sub

End Module

Imports System.Data.OleDb
Public Class NASABAH
    Sub aturform()
        Me.Top = 100
        Me.Left = 350
    End Sub
    Sub Kosongkan()
        TextBox1.Text = ""
        TextBox2.Text = ""
        TextBox3.Text = ""
        TextBox4.Text = ""
        TextBox5.Text = ""
        TextBox6.Text = ""
        TextBox9.Text = ""
        TextBox1.Focus()
    End Sub

    Sub DataBaru()
        TextBox2.Text = ""
        TextBox3.Text = ""
        TextBox4.Text = ""
        TextBox5.Text = ""
        TextBox6.Text = ""
        TextBox9.Text = ""
        TextBox2.Focus()
    End Sub

    Sub Tampilkan()
        da = New OleDbDataAdapter("Select * from NASABAH", Conn)
        ds = New DataSet
        ds.Clear()
        da.Fill(ds, "NASABAH")
        DGV.DataSource = (ds.Tables("NASABAH"))
        DGV.ReadOnly = True
    End Sub
    Private Sub Anggota_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        Call Koneksi()
        Call Tampilkan()
        Call aturform()
    End Sub

    Private Sub TextBox1_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles TextBox1.KeyPress
        TextBox1.MaxLength = 5
        If e.KeyChar = Chr(13) Then

            cmd = New OleDbCommand("select * from NASABAH where ID_nasabah='" & TextBox1.Text & "'", Conn)
            rd = cmd.ExecuteReader
            rd.Read()
            If rd.HasRows = True Then
                TextBox2.Text = rd.Item(1)
                TextBox3.Text = rd.Item(2)
                TextBox4.Text = rd.Item(3)
                TextBox5.Text = rd.Item(4)
                TextBox6.Text = rd.Item(5)
                TextBox9.Text = rd.Item(6)
                TextBox2.Focus()
            Else
                Call DataBaru()
                TextBox2.Focus()
            End If

        End If
        If Not ((e.KeyChar >= "0" And e.KeyChar <= "9") Or e.KeyChar = vbBack) Then e.Handled() = True
    End Sub

    Private Sub TextBox2_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles TextBox2.KeyPress
        If e.KeyChar = Chr(13) Then
            TextBox2.Text = UCase(TextBox2.Text)
            TextBox3.Focus()
        End If
    End Sub
    Private Sub TextBox3_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles TextBox3.KeyPress
        If e.KeyChar = Chr(13) Then
            TextBox3.Text = UCase(TextBox3.Text)
            TextBox4.Focus()
        End If
    End Sub
    Private Sub TextBox4_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles TextBox4.KeyPress
        If e.KeyChar = Chr(13) Then
            TextBox4.Text = UCase(TextBox4.Text)
            TextBox5.Focus()
        End If
    End Sub
    Private Sub Textbox5_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles TextBox5.KeyPress
        If e.KeyChar = Chr(13) Then
            TextBox5.Text = UCase(TextBox5.Text)
            TextBox6.Focus()
        End If
    End Sub
    Private Sub Textbox6_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles TextBox6.KeyPress
        If e.KeyChar = Chr(13) Then
            TextBox9.Text = Val(TextBox6.Text)
            TextBox9.Enabled = False
            BTNSimpan.Focus()
        End If
        If Not ((e.KeyChar >= "0" And e.KeyChar <= "9") Or e.KeyChar = vbBack) Then e.Handled() = True
    End Sub

    Private Sub BTNBatal_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BTNBatal.Click
        Call Kosongkan()
    End Sub

    Private Sub BTNTutup_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BTNTutup.Click
        Me.Close()
    End Sub

    Private Sub BTNSimpan_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BTNSimpan.Click
        If TextBox1.Text = "" Or TextBox2.Text = "" Or TextBox3.Text = "" Or TextBox4.Text = "" Or TextBox5.Text = "" Or TextBox6.Text = "" Or TextBox9.Text = "" Then
            MsgBox("Data Belum Lengkap")
            Exit Sub
        Else
            cmd = New OleDbCommand("Select * from NASABAH where ID_nasabah='" & TextBox1.Text & "'", Conn)
            rd = cmd.ExecuteReader
            rd.Read()
            If Not rd.HasRows Then
                Dim sqltambah As String = "Insert into NASABAH(ID_nasabah,Nama,Nip,Alamat_Instansi,Telepon,Simpanan_Wajib,Saldo) values " & _
                "('" & TextBox1.Text & "','" & TextBox2.Text & "','" & TextBox3.Text & "','" & TextBox4.Text & "','" & TextBox5.Text & "','" & TextBox6.Text & "','" & TextBox9.Text & "')"
                cmd = New OleDbCommand(sqltambah, Conn)
                cmd.ExecuteNonQuery()
                Call Kosongkan()
                Call Tampilkan()
            Else
                Dim sqledit As String = "Update NASABAH set " & _
                "Nama='" & TextBox2.Text & "', " & _
                "Nip='" & TextBox3.Text & "', " & _
                "Alamat_Instansi='" & TextBox4.Text & "', " & _
                "Telepon='" & TextBox5.Text & "', " & _
                "Simpanan_Wajib='" & TextBox6.Text & "', " & _
                "Saldo='" & TextBox9.Text & "' where ID_nasabah='" & TextBox1.Text & "'"
                cmd = New OleDbCommand(sqledit, Conn)
                cmd.ExecuteNonQuery()
                Call Kosongkan()
                Call Tampilkan()
            End If
        End If
    End Sub

    Private Sub BTNHapus_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BTNHapus.Click
        If TextBox1.Text = "" Then
            MsgBox("Isi kode Anggota terlebih dahulu")
            TextBox1.Focus()
            Exit Sub
        Else

            If MessageBox.Show("Yakin akan dihapus..?", "", MessageBoxButtons.YesNo) = Windows.Forms.DialogResult.Yes Then
                cmd = New OleDbCommand("Delete * from NASABAH where ID_nasabah='" & TextBox1.Text & "'", Conn)
                cmd.ExecuteNonQuery()
                Call Kosongkan()
                Call Tampilkan()
            Else
                Call Kosongkan()
            End If
        End If
    End Sub

    Private Sub TextBox9_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TextBox9.TextChanged

    End Sub
End Class

Imports System.Data.OleDb
Imports System.Math

Public Class Pinjaman
    Sub Kosongkan()
        ComboBox1.Text = ""
        LblNama.Text = ""
        LblSaldo.Text = ""
        TxtPinjaman.Clear()
        TxtBunga.Clear()
        TxtCicilan.Clear()
        TxtPinjaman.Clear()
        LblAngsuran.Text = ""
        ComboBox1.Focus()
    End Sub

    Sub TampilGrid()
        da = New OleDbDataAdapter("select * from Pinjaman", Conn)
        ds = New DataSet
        da.Fill(ds, "Pinjaman")
        DGV.DataSource = ds.Tables("Pinjaman")
    End Sub

    Sub TampilAnggota()
        cmd = New OleDbCommand("Select * from NASABAH", Conn)
        rd = cmd.ExecuteReader
        Do While rd.Read
            ComboBox1.Items.Add(rd.Item(0))
        Loop
    End Sub

    Sub Otomatis()
        cmd = New OleDbCommand("Select * from Pinjaman where IDKredit in (select max(IDKredit) from Pinjaman) order by IDKredit desc", Conn)
        Dim urutan As String
        Dim hitung As Long
        rd = cmd.ExecuteReader
        rd.Read()
        If Not rd.HasRows Then
            urutan = "KR" + Format(Now, "yyMMdd") + "01"
        Else
            If Microsoft.VisualBasic.Mid(rd.GetString(0), 3, 6) <> Format(Now, "yyMMdd") Then
                urutan = "KR" + Format(Now, "yyMMdd") + "01"
            Else
                hitung = Microsoft.VisualBasic.Right(rd.GetString(0), 8) + 1
                urutan = "KR" + Format(Now, "yyMMdd") + Microsoft.VisualBasic.Right("00" & hitung, 2)
            End If
        End If
        LblIDKredit.Text = urutan
    End Sub

    Private Sub Pinjaman_Activated(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Activated
        Call Otomatis()
        LblTanggal.Text = Today()
    End Sub

    Private Sub Pinjaman_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        Call Koneksi()
        Call TampilGrid()
        Call Kosongkan()
        TampilAnggota()
    End Sub

    Private Sub BTNTutup_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BTNTutup.Click
        Me.Close()
    End Sub

    Private Sub ComboBox1_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles ComboBox1.KeyPress
        If e.KeyChar = Chr(13) Then TxtPinjaman.Focus()
    End Sub

    Private Sub ComboBox1_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ComboBox1.SelectedIndexChanged
        cmd = New OleDbCommand("select * from NASABAH where ID_nasabah='" & ComboBox1.Text & "'", Conn)
        rd = cmd.ExecuteReader
        rd.Read()
        If rd.HasRows Then
            LblNama.Text = rd.Item(1)
            Label11.Text = rd.Item(2)
            LblSaldo.Text = rd.Item(6)
        End If
    End Sub

    Private Sub BTNBatal_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BTNBatal.Click
        Call Kosongkan()
    End Sub

    Private Sub BTNSimpan_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BTNSimpan.Click
        If ComboBox1.Text = "" Or TxtPinjaman.Text = "" Then
            MsgBox("Data belum lengkap")
            Exit Sub
        Else
            'simpan data ke tabel pinjam
            Dim simpan As String = "Insert Into Pinjaman(IdKredit,Tanggal,ID_nasabah,Jumlah,bunga,lamacicilan,angsuran,sisa,keterangan,Kode_Admin) values " & _
            "('" & LblIDKredit.Text & "','" & LblTanggal.Text & "','" & ComboBox1.Text & "','" & TxtPinjaman.Text & "','" & TxtBunga.Text & "','" & TxtCicilan.Text & "','" & LblAngsuran.Text & "','" & TxtPinjaman.Text & "','-','" & Master.ToolStripStatusLabel1.Text & "')"
            cmd = New OleDbCommand(simpan, Conn)
            cmd.ExecuteNonQuery()
            Call Otomatis()
            Call TampilGrid()
            Call Kosongkan()
        End If
    End Sub

    Private Sub TxtPinjaman_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles TxtPinjaman.KeyPress
        If e.KeyChar = Chr(13) Then
            If Val(TxtPinjaman.Text) > Val(LblSaldo.Text) * 19999 Then
                MsgBox("pinjaman maksimal 2X lipat saldo")
                TxtPinjaman.Clear()
            Else
                TxtBunga.Focus()
            End If
        End If
        If Not ((e.KeyChar >= "0" And e.KeyChar <= "9") Or e.KeyChar = vbBack) Then e.Handled() = True
    End Sub

    Private Sub TxtBunga_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles TxtBunga.KeyPress
        If e.KeyChar = Chr(13) Then TxtCicilan.Focus()
        If Not ((e.KeyChar >= "0" And e.KeyChar <= "9") Or e.KeyChar = vbBack) Then e.Handled() = True
    End Sub

    Private Sub TxtCicilan_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles TxtCicilan.KeyPress
        If e.KeyChar = Chr(13) Then
            Dim hitung As Decimal = Microsoft.VisualBasic.Pmt(Val(TxtBunga.Text) / 100 / 12, Val(TxtCicilan.Text), Val(TxtPinjaman.Text)) * -1
            LblAngsuran.Text = Round(hitung, 2)
            BTNSimpan.Focus()
        End If
        If Not ((e.KeyChar >= "0" And e.KeyChar <= "9") Or e.KeyChar = vbBack) Then e.Handled() = True
    End Sub

    Private Sub LblTanggal_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles LblTanggal.Click

    End Sub

    Private Sub TxtCicilan_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TxtCicilan.TextChanged

    End Sub

    Private Sub Label12_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Label12.Click
        System.Diagnostics.Process.Start("#")
    End Sub
End Class

HUNIAN RAKYAT

Source Code Aplikasi Koprasi menggunakan Bahasa VB.net

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