public JsonResult ListCourse(Course course) { if (course == null) { return(Json(new { Message = "Error", HasError = true })); } var dao = new CourseDAO(); var List = dao.ListCourses(); if (!List.Any()) { return(Json(new { Message = "No entry found", HasError = true, JsonRequestBehavior.AllowGet })); } return(Json(List, JsonRequestBehavior.AllowGet)); }