Export A File and Delete it from Server

Private Sub DownloadFile()

        Response.ContentType = ContentType

        Response.AppendHeader("Content-Disposition", _

                              "attachment; filename=myFile.txt")

        Response.WriteFile(Server.MapPath("~/uploads/myFile.txt"))

        Response.Flush()

        System.IO.File.Delete(Server.MapPath("~/uploads/myFile.txt"))

        Response.End()

End Sub