public JsonResult GetAssignmentList(long Topic_ID)
        {
            ResultInfo <List <ClassTeacherAssignmentDetails> > ResultInfo = new ResultInfo <List <ClassTeacherAssignmentDetails> >()
            {
                Status      = false,
                Description = "Failed|Login"
            };
            List <ClassTeacherAssignmentDetails> nm = new List <ClassTeacherAssignmentDetails>();
            SchoolStudent PageObj = new SchoolStudent();

            if (Topic_ID > 0)
            {
                // nm = PageObj.GetTopicsForAssignment(SubjectID);
                nm = PageObj.Assignments(Topic_ID);
                ResultInfo.Info = nm;
            }
            if (ResultInfo.Info != null)
            {
                ResultInfo.Description = "Success| Get level name with id";
                ResultInfo.Status      = true;
            }
            return(Json(ResultInfo, JsonRequestBehavior.AllowGet));
        }