public ActionResult UpdateDuAn(EntityCapNhatDuAn duan)
        {
            EntityDuAn DA = db.EntityDuAns.Where(g => g.Id == duan.IdDuAn).FirstOrDefault();
            try
            {

                EntityCapNhatDuAn capnhat = new EntityCapNhatDuAn();
                capnhat.NoiDung = duan.NoiDung;
                capnhat.IdDuAn = duan.IdDuAn;
                capnhat.TieuDe = duan.TieuDe;
                capnhat.TrangThai = 0;
                capnhat.ThoiGian = DateTime.Now;
                db.EntityCapNhatDuAns.InsertOnSubmit(capnhat);
                db.SubmitChanges();
            }
            catch
            { }
            return RedirectToAction("ChiTietDuAn", "DuAn", new { Title = Utilities.Paste_Int64(Utilities.Encode(DA.TenDuAn), DA.Id) });
            //  return View(duan);
        }
 public ActionResult UpdateDuAn(int IdDuAn)
 {
     EntityDuAn duan = db.EntityDuAns.Where(g => g.Id == IdDuAn).FirstOrDefault();
     ViewBag.duan = duan;
     EntityCapNhatDuAn capnhat = new EntityCapNhatDuAn();
     capnhat.IdDuAn = IdDuAn;
     return View(capnhat);
 }