public ActionResult Index()
        {
            var model = new OEMViewModel()
            {
                oem = oemd.Get().ToList().Where(a=>a.isdel==0).OrderBy(a=>a.sort),
                oemclass = oemclassd.Get().ToList().OrderBy(a => a.sort)
            };

            return View(model);
        }
 public ActionResult Add()
 {
     if (!CheckMemberlogin)
     {
         return RedirectToAction("login","admin");
     }
     else
     {
         leftModel();
         var model = new OEMViewModel()
         {
             oemclass = oemclassd.Get().ToList().OrderBy(a=>a.sort)
         };
         return View(model);
     }
 }
 public ActionResult Edit(int num)
 {
     if (!CheckMemberlogin)
     {
         return RedirectToAction("login","admin");
     }
     else
     {
         leftModel();
         var model = new OEMViewModel()
         {
             oem = oemd.Get().ToList().Where(a=>a.num==num && a.isdel == 0).OrderBy(a=>a.sort),
             oemclass = oemclassd.Get().ToList()
         };
         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 oe = oemd.Get().ToList().Where(a => a.isdel == 0).OrderBy(a => a.sort).OrderByDescending(a => a.udate).ThenByDescending(a => a.num);
                var model = new OEMViewModel()
                {
                    oem_pagelist = oe.ToPagedList(currentpage, pagesize),
                    oemclass = oemclassd.Get().ToList()
                };

                return View(model);
            }
        }