public ActionResult NoiDungThemMoi1Partial(System.Guid?id)
 {
     if (Session["TaiKhoan"] != null)
     {
         var model = db.hs_noidung;
         //var x = model.SingleOrDefault(n => n.id == new Guid("D4EF2CE0-72DE-49CD-8BC7-158CBB8CEB3F"));
         hs_noidung x = new hs_noidung();
         x.id          = Guid.NewGuid();
         x.noidung     = "";
         x.noidungbyte = Encoding.UTF8.GetBytes(x.noidung);
         return(PartialView("_NoiDungThemMoiPartial", x));
     }
     return(RedirectToAction("DangNhap", "TaiKhoan"));
 }
 //-------------------------------------- Hiện lên nội dung trong Word
 public ActionResult SaveNewDocument(FormCollection f)
 {
     if (Session["TaiKhoan"] != null)
     {
         Guid       id             = _iGuid;
         string     txtMaTC        = f["txtNew_ma_tieuchi"].ToString();
         string     txtTenTC       = f["txtNew_ten_tieuchi"].ToString();
         var        doc            = DevExpress.Web.Office.DocumentManager.FindDocument("document" + id);
         string     richEditString = Encoding.UTF8.GetString(doc.SaveCopy());
         var        model          = db.hs_noidung;
         hs_noidung item           = new hs_noidung();
         if (ModelState.IsValid)
         {
             try
             {
                 item.id          = id;
                 item.ma_tieuchi  = txtMaTC;
                 item.ten_tieuchi = txtTenTC;
                 item.nguoitao    = Session["TenNguoiDung"].ToString();
                 item.ngaytao     = DateTime.Now;
                 item.noidung     = richEditString;
                 db.hs_noidung.Add(item);
                 db.SaveChanges();
                 //db.sp_ThemMoiND(id, txtMaTC, txtTenTC, Session["TenNguoiDung"].ToString(), DateTime.Now, richEditString);
                 //Thread.Sleep(10000);
             }
             catch (Exception e)
             {
                 ViewData["EditError"] = e.Message;
             }
         }
         else
         {
             ViewData["EditError"] = "Please, correct all errors.";
         }
         return(View("Index"));
         //return Content("<script type='text/javascript'>setInterval(function(){window.close();alert('Lưu thành công !!');window.opener.location.reload(true);},2000);</script>");
     }
     return(RedirectToAction("DangNhap", "TaiKhoan"));
 }