public FileStreamResult getReportCotizacion(String id, String flg_docto)
        {
            Reporte rpt = new Reporte();
            String  error;
            String  idVersion = id;
            String  tip_docto = flg_docto;

            rpt.CargaReporteCabeceraDt(idVersion, out error);   //ReporteCabeceraDt
            rpt.CargaReporteComponenteDt(idVersion, out error); //reporte dt
            rpt.CargaReporteServicioDt(idVersion, out error);
            rpt.CargaTotalServicios(idVersion, out error);
            ReportViewer reportViewer = new ReportViewer();

            reportViewer.ProcessingMode         = Microsoft.Reporting.WebForms.ProcessingMode.Local;
            reportViewer.LocalReport.ReportPath = "Content/Reportes/CotizaRpt.rdlc";
            reportViewer.LocalReport.DataSources.Add(new ReportDataSource("ReporteDt", rpt.ReporteDt));
            reportViewer.LocalReport.DataSources.Add(new ReportDataSource("ReporteDt2", rpt.ReporteDt2));
            reportViewer.LocalReport.DataSources.Add(new ReportDataSource("ReporteCabeceraDt", rpt.ReporteCabeceraDt));
            reportViewer.LocalReport.DataSources.Add(new ReportDataSource("ReporteTabServicios", rpt.ReporteDt2));
            reportViewer.LocalReport.DataSources.Add(new ReportDataSource("TotalServicios", rpt.TotalServicios));
            Warning[] warnings;
            string[]  streamids;
            string    mimeType;
            string    encoding;
            String    filenameExtension;

            reportViewer.LocalReport.Refresh();
            byte[] pdf = reportViewer.LocalReport.Render(
                tip_docto, null, out mimeType, out encoding, out filenameExtension,
                out streamids, out warnings);
            MemoryStream ms = new MemoryStream();

            ms.Write(pdf, 0, pdf.Length);
            ms.Position = 0;
            if (tip_docto.Equals("PDF"))
            {
                return(new FileStreamResult(ms, "application/pdf"));
            }
            else
            {
                return(new FileStreamResult(ms, "application/vnd.ms-excel"));
            }
        }