public IActionResult Exam(HttpClient httpContent)
        {
            var       a         = int.Parse(Request.Form["all"]);
            var       resultarr = new string[3];
            var       str       = "";
            var       arr       = new string[a + 1];
            var       result    = 0;
            int       count_all = 0;
            ExamModel answer    = new ExamModel();
            List <Examanswer_List> examanswers = new List <Examanswer_List>();
            Examanswer_List        examanswer  = new Examanswer_List();

            //for(int i = 0;i <= a;i++ )
            //{
            //    answer = _ExamService.GetExamModelById(int.Parse(resultarr[1]));
            //    count_all += (int)answer.Score;
            //    str =   Request.Form["Ans" + i];
            //    resultarr = str.Split("%%%,");
            //    if(answer.Answer  == resultarr[0])
            //    {
            //        result += (int)answer.Score;
            //    }
            //    result_str += (resultarr + ";");
            //}
            for (int i = 0; i <= a; i++)
            {
                str               = Request.Form["Ans" + i];
                resultarr         = str.Split("%%%,");
                answer            = _ExamService.GetExamModelById(int.Parse(resultarr[1]));
                count_all        += (int)answer.Score;
                examanswer.ExamId = answer.Id;
                examanswer.Answer = resultarr[0];
                if (answer.Answer == resultarr[0])
                {
                    result           += (int)answer.Score;
                    examanswer.Result = true;
                }
                else
                {
                    examanswer.Result = false;
                }
                examanswers.Add(new Examanswer_List {
                    Answer = examanswer.Answer,
                    ExamId = examanswer.ExamId,
                    Result = examanswer.Result,
                });
            }
            string           result_str = ExamSplit.ListToString(examanswers);
            Examination_form form       = new Examination_form();

            form.Count    = (int)(100 * result / count_all);
            form.DateTime = DateTime.Now;
            form.Result   = result_str;
            string user;
            string Uid;

            Request.Cookies.TryGetValue("User", out user);
            Request.Cookies.TryGetValue("Uid", out Uid);
            var u = _UserService.InspectGuid(new TGuid {
                User = user, Uid = Uid,
            });

            form.UserModel = u;
            _ExamService.AddExamResult_form(form);

            //for(int i = 0; i < a; i++)
            //{
            //    UserExamModels[]
            //}
            //return View("ExamResult");
            //return RedirectToAction(nameof(ExamResult));
            return(Json(new {
                count = form.Count,
            }));
        }