How to View PDF Files in MVC 4?

@Html.ActionLink(item.DFile,"DownloadFile",new { file = item.DFile},new { @style = "color:#000;text-decoration:underline",target = "_blank"})


 public ActionResult DownloadFile(string file)
        {
            var fileStream = new FileStream(Server.MapPath("~/Uploads/") + file,
                                             FileMode.Open,
                                             FileAccess.Read
                                           );
            var fsResult = new FileStreamResult(fileStream, "application/pdf");
            return fsResult;
        }