Export PDF Report Using API XtraReport Devepxress Asp.net

Question

 public ActionResult PrintReprtForSpecicDates(DateTime startdate, DateTime enddate)
    {
        using (ProDbDataContext _Context = new ProDbDataContext())
        {
            List<Sp_GetSpecificRecordResult> RecordList = _Context.Sp_GetSpecificRecord(startdate,enddate).ToList();
            var dt = Helper.Helper.ToDataTable(RecordList);
            RptGetSpecificRecords reportobj = new RptGetSpecificRecords();
            reportobj.DataSource = dt;
            reportobj.Parameters["Startdate"].Value = Convert.ToDateTime(startdate).ToShortDateString();
            reportobj.Parameters["Enddate"].Value = Convert.ToDateTime(enddate).ToShortDateString();
            var stream = new MemoryStream();
            reportobj.ExportToPdf(stream);
            return File(stream.GetBuffer(), "application/pdf");
        }
    }