[HttpPost] public ActionResult Convert(FormCollection collection) { // read parameters from the webpage string url = collection["TxtUrl"]; string pdf_page_size = collection["DdlPageSize"]; PdfPageSize pageSize = (PdfPageSize)Enum.Parse(typeof(PdfPageSize), pdf_page_size, true); string pdf_orientation = collection["DdlPageOrientation"]; PdfPageOrientation pdfOrientation = (PdfPageOrientation)Enum.Parse( typeof(PdfPageOrientation), pdf_orientation, true); int webPageWidth = 1024; try { webPageWidth = System.Convert.ToInt32(collection["TxtWidth"]); } catch { } int webPageHeight = 0; try { webPageHeight = System.Convert.ToInt32(collection["TxtHeight"]); } catch { } // instantiate a html to pdf converter object HtmlToPdf converter = new HtmlToPdf(); // set converter options converter.Options.PdfPageSize = pageSize; converter.Options.PdfPageOrientation = pdfOrientation; converter.Options.WebPageWidth = webPageWidth; converter.Options.WebPageHeight = webPageHeight; // create a new pdf document converting an url PdfDocument doc = converter.ConvertUrl(url); // save pdf document byte[] pdf = doc.Save(); // close pdf document doc.Close(); // return resulted pdf document FileResult fileResult = new FileContentResult(pdf, "application/pdf"); fileResult.FileDownloadName = "Document.pdf"; return fileResult; }