Berikut adalah bentuk formnya;
1. 
Form Log In
2. 
Form Penjualan dan Penyimpanan Database
3. 
Form Database Penjualan Tiket
Source Code
Public Class Form1
    Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
        If TextBox1.Text = "Lukman" Then
            TextBox2.Text = "lukman"
            Form2.Show()
            Me.Hide()
        End If
    End Sub
    Private Sub Button2_Click(sender As Object, e As EventArgs) Handles Button2.Click
        Me.Hide()
    End Sub
End Class
Imports System.Data
Imports System.Data.Sql
Imports System.Data.OleDb
Public Class Form2
    Dim connection As String = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:\Users\Lukman Hakim\Documents\Lukman.accdb"
    Dim objekkoneksi As New OleDb.OleDbConnection(connection)
    Dim xreader As OleDbDataReader
    Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
        objekkoneksi.Close()
        objekkoneksi.Open()
        Dim add As String = "INSERT INTO TablePenjualan values('" & TextBox1.Text & "','" & ComboBox1.Text & "','" & ComboBox2.Text & "','" & ComboBox3.Text & "','" & TextBox2.Text & "','" & TextBox3.Text & "', '" & TextBox4.Text & "')"
        Dim ocmd = New OleDbCommand(add, objekkoneksi)
        ocmd.ExecuteNonQuery()
        objekkoneksi.Close()
        MsgBox("Berhasil")
        Form3.Show()
    End Sub
    Private Sub Button3_Click(sender As Object, e As EventArgs) Handles Button3.Click
        Dim DELETE As Integer
        DELETE = MsgBox("Confirmation", MsgBoxStyle.OkCancel)
        If vbOK Then
            objekkoneksi.Close()
            objekkoneksi.Open()
            Dim sql As String = "DELETE from TablePenjualan where NamaPembeli = '" + TextBox1.Text + "'"
            Dim ocmd As New OleDbCommand
            objekkoneksi.Close()
            objekkoneksi.Open()
            ocmd.Connection = objekkoneksi
            ocmd.CommandText = sql
            ocmd.ExecuteNonQuery()
            TextBox1.Text = ""
            ComboBox1.Text = ""
            ComboBox2.Text = ""
            ComboBox3.Text = ""
            TextBox2.Text = ""
            TextBox3.Text = ""
            TextBox4.Text = ""
        End If
    End Sub
    Private Sub Button4_Click(sender As Object, e As EventArgs) Handles Button4.Click
        Dim Vkode = InputBox("Enter Code")
        objekkoneksi.Close()
        objekkoneksi.Open()
        Dim Cmd As New OleDbCommand("SELECT * FROM TablePenjualan where NamaPembeli ='" + Vkode + "'", objekkoneksi)
        xreader = Cmd.ExecuteReader
        If xreader.HasRows Then
            xreader.Read()
            TextBox1.Text = xreader("NamaPembeli")
            ComboBox1.Text = xreader("NamaFilm")
            ComboBox2.Text = xreader("Ruangan")
            ComboBox3.Text = xreader("JamTayang")
            TextBox2.Text = xreader("NomerKursi")
            TextBox3.Text = xreader("JumlahTiket")
            TextBox4.Text = xreader("Harga")
        Else
            MsgBox("Code not Found")
            TextBox1.Text = ""
            ComboBox1.Text = ""
            ComboBox2.Text = ""
            ComboBox3.Text = ""
            TextBox2.Text = ""
            TextBox3.Text = ""
            TextBox4.Text = ""
            TextBox1.Focus()
            Exit Sub
        End If
        xreader.Close()
    End Sub
    Private Sub Button5_Click(sender As Object, e As EventArgs) Handles Button5.Click
        Dim sql As String = " Update TablePenjualan set NamaPembeli='" + TextBox1.Text + "', NamaFilm = '" + ComboBox1.Text + "', Ruangan ='" + ComboBox2.Text + "', JamTayang ='" + ComboBox3.Text + "', NomerKursi = '" + TextBox2.Text + "', JumlahTiket ='" + TextBox3.Text + "',  Harga ='" + TextBox4.Text + "'where NamaPembeli = '" + TextBox1.Text + "'"
        Dim oCmd As New OleDbCommand
        objekkoneksi.Close()
        objekkoneksi.Open()
        oCmd.Connection = objekkoneksi
        oCmd.CommandText = sql
        oCmd.ExecuteNonQuery()
    End Sub
    Private Sub TextBox4_TextChanged(sender As Object, e As EventArgs) Handles TextBox4.TextChanged
        TextBox4.Text = Val(TextBox3.Text) * 35000
    End Sub
    Private Sub Button6_Click(sender As Object, e As EventArgs) Handles Button6.Click
        Form3.Show()
    End Sub
    Private Sub Button2_Click(sender As Object, e As EventArgs) Handles Button2.Click
        Form4.Show()
    End Sub
End Class



