2. Halaman Proses Kriteria Imports MySql.Data.MySqlClient
Imports MySql.Data Public Class frmkriteria
Dim blnaddcus As Boolean = True Dim blnubahcus As Boolean = False
Dim blnhapuscus As Boolean = False Sub bersih
txtnama_kriteria.Text = txtid_kriteria.Text =
End Sub Sub isisDgv
Dim dt As New DataTable GetDatadt, select from kriteria
dgkriteria.DataSource = dt dgkriteria.Columns0.HeaderText = ID Kriteria
dgkriteria.Columns1.HeaderText = Nama Kriteria dgkriteria.Columns0.Width = 50
dgkriteria.Columns1.Width = 200 End Sub
Sub enabFalse txtnama_kriteria.Enabled = False
txtid_kriteria.Enabled = False End Sub
Sub enabTrue txtnama_kriteria.Enabled = True
txtid_kriteria.Enabled = True End Sub
Function validasi As Boolean If txtnama_kriteria.Text.Length = 0 Then
MessageBox.ShowKriteria tidak boleh kosong, Validasi, MessageBoxButtons.OK, MessageBoxIcon.Information
txtnama_kriteria.Focus Return False
End If If txtnama_kriteria.Text.Length 0 0 Then
Return True End If
End Function Private Sub frmkriteria_LoadByVal sender As System.Object, ByVal e As
System.EventArgs Handles MyBase.Load getConnString
isisDgv
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End Sub Private Sub cmdtambah_ClickByVal sender As System.Object, ByVal e As
System.EventArgs Handles cmdtambah.Click Try
If cmdtambah.Text = Tambah Then Me.bersih
enabTrue txtnama_kriteria.Focus
cmdtambah.Text = Simpan cmdubah.Text = Batal
cmdhapus.Enabled = False blnaddcus = True
blnubahcus = True Else
If validasi Then cmdtambah.Text = Tambah
cmdubah.Text = Ubah cmdhapus.Enabled = True
If blnaddcus = True Then If EksekusiString.Formatinsert into kriteria nama_kriteria values
txtnama_kriteria.Text 0 Then MessageBox.ShowBerhasil tersimpan, Informasi,
MessageBoxButtons.OK, MessageBoxIcon.Information isisDgv
bersih enabFalse
Else
MessageBox.ShowGagal tersimpan, Informasi, MessageBoxButtons.OK, MessageBoxIcon.Information
End If blnubahcus = False
blnhapuscus = False Else
If MessageBox.ShowString.FormatApakah anda yakin akan mengubah menjadi{0}, txtnama_kriteria.Text, Konfirmasi,
MessageBoxButtons.YesNo, MessageBoxIcon.Question = Windows.Forms.DialogResult.Yes Then
If EksekusiString.Formatupdate kriteria set nama_kriteria={0} where id_kriteria={2}, txtnama_kriteria.Text, txtid_kriteria.Text 0 Then
MessageBox.ShowBerhasil diubah, Sukses, MessageBoxButtons.OK, MessageBoxIcon.Information
isisDgv bersih
enabFalse Else
MessageBox.ShowBerhasil diubah, Sukses, MessageBoxButtons.OK, MessageBoxIcon.Information
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End If blnubahcus = False
blnhapuscus = False End If
End If End If
End If Catch ex As Exception
MessageBox.ShowFailed : ex.Message End Try
End Sub Private Sub cmdubah_ClickByVal sender As System.Object, ByVal e As
System.EventArgs Handles cmdubah.Click If blnubahcus Then
If blnaddcus = True Then batal add
cmdtambah.Text = Tambah cmdubah.Text = Ubah
cmdhapus.Enabled = True blnaddcus = False
enabFalse bersih
blnubahcus = False blnhapuscus = False
Else If cmdubah.Text = Ubah Then
Tambah cmdtambah.Text = Simpan
cmdubah.Text = Batal cmdhapus.Enabled = False
blnaddcus = False cmdubah.Enabled = True
cmdhapus.Enabled = False cmdtambah.Enabled = True
enabTrue txtid_kriteria.Enabled = False
blnubahcus = True blnhapuscus = True
Else batal ubah
cmdtambah.Text = Tambah cmdubah.Text = Ubah
cmdhapus.Enabled = True enabFalse
bersih blnubahcus = False
blnhapuscus = False End If
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End If Else
MessageBox.ShowPilih dahulu data yang akan diubah, Pilih, MessageBoxButtons.OK, MessageBoxIcon.Information
End If End Sub
Private Sub cmdhapus_ClickByVal sender As System.Object, ByVal e As System.EventArgs Handles cmdhapus.Click
If blnhapuscus Then If MessageBox.ShowString.FormatApakah anda yakin akan menghapus
{0} dari daftar, txtnama_kriteria.Text, Konfirmasi, MessageBoxButtons.YesNo, MessageBoxIcon.Question = Windows.Forms.DialogResult.Yes Then make sure
there is a selected item to delete Try
If EksekusiString.FormatDelete from kriteria Where id_kriteria ={0}, txtid_kriteria.Text 0 Then
MessageBox.ShowBerhasil dihapus, Sukses, MessageBoxButtons.OK, MessageBoxIcon.Information
isisDgv bersih
txtnama_kriteria.Enabled = False txtid_kriteria.Enabled = False
blnhapuscus = False Else
MessageBox.ShowGagal dihapus, Kesalahan, MessageBoxButtons.OK, MessageBoxIcon.Error
End If Catch ex As Exception
MessageBox.ShowFailed : ex.Message End Try
End If Else
MessageBox.ShowPilih dahulu data yang akan dihapus, Pilih, MessageBoxButtons.OK, MessageBoxIcon.Information
End If End Sub
Private Sub dgkriteria_DoubleClickByVal sender As Object, ByVal e As System.EventArgs Handles dgkriteria.DoubleClick
txtid_kriteria.Text = dgkriteria.Item0, dgkriteria.CurrentRow.Index.Value txtnama_kriteria.Text = dgkriteria.Item1, dgkriteria.CurrentRow.Index.Value
blnaddcus = False txtid_kriteria.Enabled = False
blnubahcus = True blnhapuscus = True
End Sub End Class
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3. Halaman Proses Penilaian Imports System.Data.Odbc
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