public ActionResult Edit(int num, int m)
        {
            if (!CheckMemberlogin)
            {
                return RedirectToAction("login","admin");
            }
            else
            {
                conu.num = num;
                conu.isRead = 1;
                conud.Update_Read(conu);

                leftModel();
                var model = new ContactusViewModel()
                {
                    contactus = conud.Get().ToList().Where(a => a.num == num).OrderByDescending(a => a.wdate)
                };
                return View(model);

            }
        }
        public ActionResult Read(int page = 1)
        {
            if (!CheckMemberlogin)
            {
                return RedirectToAction("login", "admin");
            }
            else
            {
                leftModel();
                var currentpage = page < 1 ? 1 : page;
                var pagesize = 10;
                var cat = conud.Get().ToList().Where(a => a.isdel == 0).OrderByDescending(a => a.wdate).ThenByDescending(a => a.num);
                var model = new ContactusViewModel()
                {
                    contactus_pagelist = cat.ToPagedList(currentpage, pagesize)

                };

                return View(model);
            }
        }