public ActionResult Addcategory(tbl_categroy cat)
        {
            List <tbl_categroy> li = db.tbl_categroy.OrderByDescending(x => x.cat_id).ToList();

            ViewData["list"] = li;

            tbl_categroy c = new tbl_categroy();

            c.cat_name    = cat.cat_name;
            c.cat_fk_adid = Convert.ToInt32(Session["ad_id"].ToString());
            db.tbl_categroy.Add(c);
            db.SaveChanges();
            return(RedirectToAction("Addcategory"));
        }
        public ActionResult Addcategory(tbl_categroy cat)
        {
            List <tbl_categroy> li = db.tbl_categroy.OrderByDescending(x => x.cat_id).ToList();

            ViewData["list"] = li;

            Random       r = new Random();
            tbl_categroy c = new tbl_categroy();

            c.cat_name            = cat.cat_name;
            c.cat_encryptedstring = crypto.Encrypt(cat.cat_name.Trim() + r.Next().ToString(), true);
            c.cat_fk_adid         = Convert.ToInt32(Session["ad_id"].ToString());
            db.tbl_categroy.Add(c);
            db.SaveChanges();



            return(RedirectToAction("Addcategory"));
        }