Response.Clear();
        Response.Buffer = false;
        Response.AppendHeader("Content-Disposition", "attachment;filename=file.sql");
        Response.ContentType = "text/sql";
        System.IO.StringWriter oStringWriter = new System.IO.StringWriter();
        oStringWriter.Write("test");
        oStringWriter.Flush();
        oStringWriter.Close();
        Response.Write(oStringWriter.ToString());
        Response.End();