public bool Delete(ScheduleExam exam) { db.ScheduleExams.Remove(exam); bool isDeleted = db.SaveChanges() > 0; return(isDeleted); }
public bool Add(ScheduleExam exam) { db.ScheduleExams.Add(exam); bool isAdded = db.SaveChanges() > 0; return(isAdded); }
public bool Update(ScheduleExam exam) { db.ScheduleExams.Attach(exam); db.Entry(exam).State = EntityState.Modified; bool isUpdated = db.SaveChanges() > 0; return(isUpdated); }