public ActionResult Create(DocType doctype)
        {
            if (ModelState.IsValid)
            {
                db.DocTypes.Add(doctype);
                db.SaveChanges();
                return RedirectToAction("Index");
            }

            return View(doctype);
        }
 public ActionResult Edit(DocType doctype)
 {
     if (ModelState.IsValid)
     {
         db.Entry(doctype).State = EntityState.Modified;
         db.SaveChanges();
         return RedirectToAction("Index");
     }
     return View(doctype);
 }