public ActionResult FilePartial(IEnumerable <int> fileid)
{
var filesToShow = TempData["list"] as List <PDFfile>;
Comparer c = new Comparer();
if (filesToShow.Count() == 2)
{
c.CompareTwoPDF(filesToShow[0].PDFID, filesToShow[1].PDFID);
}
TempData.Keep();
return(View(filesToShow));
}