public JsonResult GetClassScheduleByDepartment(int departmentId) { var courses = courseManager.GetCourseByDepartmentId(departmentId); List <object> clsSches = new List <object>(); foreach (var course in courses) { var scheduleInfo = classRoomManager.GetAllClassSchedulesByDeparmentId(departmentId, course.Id); if (scheduleInfo == "") { scheduleInfo = "Not sheduled yet"; } var clsSch = new { CourseCode = course.Code, CourseName = course.Name, ScheduleInfo = scheduleInfo }; clsSches.Add(clsSch); } return(Json(clsSches, JsonRequestBehavior.AllowGet)); }