vb.net การเรียกใช้ form ครับ ช่วยดูโค็ดผมหนอยครับ vb2010

Public Class Form2

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        lblName.Text = TextBox1.Text
        lblFname.Text = TextBox2.Text
        lblTel.Text = TextBox3.Text
        lblEmail.Text = TextBox4.Text
        lblPass.Text = "*********"
        If (TextBox6.Text = TextBox5.Text) Then
            lblCpass.Text = TextBox5.Text
        Else

            MsgBox("ใส่พาสเวิดไม่เหมือนกัน")
        End If
        lblDate.Text = dateTime.Value

        If (radioM.Checked = True) Then
            lblSex.Text = "ชาย"
        ElseIf (radioF.Checked = True) Then
            lblSex.Text = "หญิง"
        Else
            MsgBox("กรุณาเลือกเพศ")

        End If
        'lblCity.Visible = comCity.SelectedValue

    End Sub
    Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles butExit.Click
        Dim butExit As Integer
        butExit = MsgBox("ต้องการออกจากระบบ", MsgBoxStyle.OkCancel, "ยืนยันการออกระบบ")
        If (butExit = 1) Then
            End
        End If
    End Sub
End Class

Public Class Form1

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

        If TextBox1.Text = "user" And TextBox2.Text = "pass" Then           
            Dim main As New Form2
            main.MdiParent = Me  '<---- มาไง
            main.Show()
        Else
            MsgBox("ผิด")
        End If
    End Sub

End Class