multiple files attachments but Ist files data overright to another files.

Dim cnt As Integer = 0
        Dim x As Integer
        For f As Integer = 0 To Request.Files.Count - 1

            Dim Postfile As HttpPostedFile = Request.Files(f)
            Dim filename As HttpPostedFile = Request.Files(x)
            Dim flname As String = System.IO.Path.GetFileName(FileUpload1.PostedFile.FileName)

            'Dim attFile As String = flname + flcon
            If Postfile.ContentLength > 0 Then
                If Postfile.ContentLength <= 2048000 Then
                    FileUpload1.PostedFile.SaveAs(Server.MapPath(flname))
                    Dim Atch As New Attachment(Server.MapPath(flname))
              'Dim Atch As New Attachment(FileUpload1.PostedFile.ContentType,flname)
                    at.Add(Atch)
                    cnt += f
                    cnt += x
                    Atch.Dispose()
                End If
            End If
        Next