public void RemoveAllCurrentClassRelation(int studentId) { // remove class member var classMembers = classRepository.GetStudentCurrentClassMember(studentId).ToList(); classMembers.ForEach(cm => { cm.Status = (int)ClassMemberEnums.STATUS_DISABLE; }); classRepository.UpdateClassMembers(classMembers); // remove transcript var transcripts = transcriptRepository.GetStudentCurrentTranscript(studentId).ToList(); transcripts.ForEach(t => { t.Status = (int)TranscriptEnums.STATUS_DISABLE; }); transcriptRepository.UpdateTranscripts(transcripts); }