public List <Models.ClassTeacherSchedule.GradeCourseModel> GetGradeCourses() { BusinessLogic.ClassTeacherSchedule.GradeCourseManager GradeCourseManager = new BusinessLogic.ClassTeacherSchedule.GradeCourseManager(); List <BusinessEntity.ClassTeacherSchedule.GradeCourseEntity> GradeCourses = GradeCourseManager.GetGradeCourses(); List <Models.ClassTeacherSchedule.GradeCourseModel> GradeCourseModels = new List <Models.ClassTeacherSchedule.GradeCourseModel>(); foreach (BusinessEntity.ClassTeacherSchedule.GradeCourseEntity GradeCourse in GradeCourses) { GradeCourseModels.Add(new Models.ClassTeacherSchedule.GradeCourseModel(GradeCourse)); } return(GradeCourseModels); }