public ActionResult GetCoursePerUser(int userid)
        {
            var mgr    = new AdminMembersRepository();
            var list   = mgr.GetCoursePerUser(userid);
            var result = new
            {
                Courses = list.Select(e => new
                {
                    Id      = e.Id,
                    Name    = e.Name,
                    Credits = e.Credits
                })
            };

            return(Json(result, JsonRequestBehavior.AllowGet));
        }