public ActionResult PdfToPdfAConverter(string conformance, string Browser)
{
if (Request.Form.Files != null && Request.Form.Files.Count != 0)
{
//Load an existing PDF.
PdfLoadedDocument doc = new PdfLoadedDocument(Request.Form.Files[0].OpenReadStream());
doc.SubstituteFont += LoadedDocument_SubstituteFont;
if (conformance == "PDF/A-1b")
{
//Create a new document with PDF/A standard.
doc.ConvertToPDFA(PdfConformanceLevel.Pdf_A1B);
}
else if (conformance == "PDF/A-2b")
{
//Create a new document with PDF/A standard.
doc.ConvertToPDFA(PdfConformanceLevel.Pdf_A2B);
}
else if (conformance == "PDF/A-3b")
{
//Create a new document with PDF/A standard.
doc.ConvertToPDFA(PdfConformanceLevel.Pdf_A3B);
}
//If the position is not set to '0' then the PDF will be empty.
MemoryStream ms = new MemoryStream();
doc.Save(ms);
ms.Position = 0;
doc.Close(true);
//Download the PDF document in the browser.
FileStreamResult fileStreamResult = new FileStreamResult(ms, "application/pdf");
fileStreamResult.FileDownloadName = "PDFA.pdf";
return(fileStreamResult);
}
else
{
ViewBag.lab = "Choose a valid PDF file.";
ViewBag.data = new string[] { "PDF/A-1b", "PDF/A-2b", "PDF/A-3b" };
return(View());
}
}