public JsonResult GetClassroomSheduleByDepartmentId(int deptId) { var sheduleList = classRoomManager.GetAllClassSheduleIntoList(); var courseSheduleList = sheduleList.Where(x => x.DepartmentId == deptId).ToList(); //foreach (ClassSheduleIntoModel classShedule in courseSheduleList) //{ // if (classShedule.SheduleInfo.Length < 0) // { // classShedule.SheduleInfo = "Not Scheduled Yet"; // } //} foreach (var classShedule in courseSheduleList) { if (classShedule.SheduleInfo.Length < 1) { classShedule.SheduleInfo = "Not Scheduled Yet"; } } return(Json(courseSheduleList, JsonRequestBehavior.AllowGet)); }