public ActionResult DeleteConfirmed(int id)
        {
            PDoc pDoc = db.PurchaseDocument.Find(id);

            db.PurchaseDocument.Remove(pDoc);
            db.SaveChanges();
            return(RedirectToAction("Index"));
        }
        // GET: PDocs/Details/5
        public ActionResult Details(int?id)
        {
            if (id == null)
            {
                return(new HttpStatusCodeResult(HttpStatusCode.BadRequest));
            }
            PDoc pDoc = db.PurchaseDocument.Find(id);

            if (pDoc == null)
            {
                return(HttpNotFound());
            }
            return(View(pDoc));
        }