public ActionResult Create()
        {
            GroupRoleDao dao = new GroupRoleDao();

            ViewBag.lst_gr = dao.GetAll();
            return(View());
        }
        public ActionResult Edit(staff sta, HttpPostedFileBase photo)
        {
            GroupRoleDao grDao  = new GroupRoleDao();
            StaffDao     staDao = new StaffDao();

            if (ModelState.IsValid)
            {
                try
                {
                    if (photo != null && photo.ContentLength > 0)
                    {
                        staff  exists_sta = staDao.GetById(sta.sta_id);
                        string image      = String.Concat(sta.sta_username, photo.FileName);
                        if (!image.Equals(exists_sta.sta_image))
                        {
                            var image_old = Path.Combine(Server.MapPath("~/Areas/Admins/Content/Photo/Staff/"),
                                                         System.IO.Path.GetFileName(exists_sta.sta_image));
                            if (System.IO.File.Exists(image_old))
                            {
                                System.IO.File.Delete(image_old);
                            }
                            var image_new = Path.Combine(Server.MapPath("~/Areas/Admins/Content/Photo/Staff/"),
                                                         System.IO.Path.GetFileName(image));


                            photo.SaveAs(image_new);
                        }
                        sta.sta_image     = image;
                        sta.sta_update_at = DateTime.Now;
                        staDao.Update(sta);
                    }
                    else
                    {
                        staff exists_sta = staDao.GetById(sta.sta_id);
                        sta.sta_image = exists_sta.sta_image;
                        staDao.Update(sta);
                    }
                    return(RedirectToAction("Index"));
                }
                catch (Exception ex)
                {
                    Console.WriteLine(ex.Message);
                    return(View("Error"));
                }
            }
            else
            {
                ViewBag.lst_gr = grDao.GetAll();
                return(View(sta));
            }
        }
        public ActionResult Create(staff sta, HttpPostedFileBase photo)
        {
            GroupRoleDao grDao = new GroupRoleDao();
            StaffDao     dao   = new StaffDao();

            if (ModelState.IsValid)
            {
                try
                {
                    if (photo != null && photo.ContentLength > 0)
                    {
                        string image = String.Concat(sta.sta_username, photo.FileName);
                        var    path  = Path.Combine(Server.MapPath("~/Areas/Admins/Content/Photo/Staff/"),
                                                    System.IO.Path.GetFileName(image));
                        photo.SaveAs(path);

                        sta.sta_image = image;
                        //Mail
                        string content = System.IO.File.ReadAllText("D:/Kì 2 Năm 3/CNWEB/web_ieltsv2/coderush/Common/Template/sendmail.html");
                        content = content.Replace("{{Username}}", sta.sta_username);
                        content = content.Replace("{{Password}}", sta.sta_password);

                        new MailHelper().SendMail(sta.sta_email, "Thông tin tài khoản", content);
                    }
                    else
                    {
                        sta.sta_image = "tienmta7.png";
                    }
                    sta.sta_created_at = DateTime.Now;
                    dao.Create(sta);
                    return(RedirectToAction("Index"));
                }
                catch (Exception ex)
                {
                    Console.WriteLine(ex.Message);
                    return(View("Error"));
                }
            }
            else
            {
                ViewBag.lst_gr = grDao.GetAll();
                return(View(sta));
            }
        }
        public ActionResult Edit(int?id)
        {
            StaffDao staDAo = new StaffDao();

            if (id == null)
            {
                return(View("Error"));
            }
            staff staff = staDAo.GetById(id);

            if (staff == null)
            {
                return(HttpNotFound());
            }
            GroupRoleDao grDao = new GroupRoleDao();

            ViewBag.lst_gr = grDao.GetAll();
            return(View(staff));
        }