public IActionResult getpdf(PdfReportParameter rptParameter) { //var rparam = JsonConvert.DeserializeObject<PdfReportParameter>(rptParameter.ToString()); //PdfReportParameter rparam = rptParameter as PdfReportParameter; var res = pdfConverter.OpenPdfReport(rptParameter); if (res.status == "ok") { MemoryStream memStream = new MemoryStream((byte[])res.result); return(File((byte[])res.result, "application/pdf", "singlePdf.pdf")); } return(new BadRequestObjectResult(res)); }