public PartialViewResult LoadCourse()
        {
            //System.Threading.Thread.Sleep(3000); //DEMO ONLY
            int    idTK = Convert.ToInt32(Session["ID"]);
            string mgv  = db.GiangViens.ToList().FirstOrDefault(p => p.IDTaiKhoan == idTK).MGV;

            API.GetAPI api = new API.GetAPI();
            api.getCourse(mgv);
            var listKH = db.KhoaHocs.Where(x => x.MGV == mgv).ToList();

            foreach (var item in listKH)
            {
                api.getMember(item.MKH);
            }
            List <KhoaHoc> kh = initData(mgv);

            return(PartialView("_LoadCourse", kh));
        }
        public async System.Threading.Tasks.Task <ActionResult> syncAttendanceAsync()
        {
            API.GetAPI api    = new API.GetAPI();
            HttpClient client = new HttpClient();
            string     id     = Session["courseID"].ToString();
            string     lecid  = Session["MGV"].ToString();
            string     sec    = api.apiLogin(Session["TenTK"].ToString(), Session["pass"].ToString());

            var value = new
            {
                course   = id,
                sessions = db.BuoiHocs.Where(x => x.MKH == id).AsEnumerable().Select(b => new
                {
                    id   = b.MBH,
                    date = b.Ngay.ToString("yyyy-MM-ddThh:mm:ss"),
                    info = string.Empty
                }).ToArray(),
                attendance = db.DanhSachLops.AsEnumerable().Where(x => x.MKH == id).Select(d => new
                {
                    student   = d.MSV,
                    checklist = db.DiemDanhs.Where(x => x.TrangThai == 1 && x.MKH == id && x.MSV == d.MSV).Select(z => z.BuoiHoc.MBH).ToArray(),
                    info      = string.Empty
                }).ToArray()
            };
            var json = JsonConvert.SerializeObject(value);

            var formData = new Dictionary <string, string>
            {
                { "uid", lecid },
                { "secret", sec },
                { "data", json }
            };

            var content  = new FormUrlEncodedContent(formData);
            var response = await client.PostAsync("https://entool.azurewebsites.net/SEP21/SyncAttendance", content);

            var responseString = await response.Content.ReadAsStringAsync();

            //string ResponeMessage = JsonConvert.DeserializeObject<string>(responseString);
            //	Session["SynMessage"] = ResponeMessage.message.ToString();

            //return RedirectToAction("ViewAllAttendance", new { id = Session["CourseID"] });
            return(RedirectToAction("Course", "Lecturer"));
        }