public async System.Threading.Tasks.Task AddStudentToSubject(int subjectId, int studentId) { N_To_N_StudentSubject record = new N_To_N_StudentSubject { StudentId = studentId, SubjectId = subjectId }; await _dataBaseContext.N_To_N_StudentSubject.AddAsync(record); await _dataBaseContext.SaveChangesAsync(); }
public void DeleteStudentFromSubject(int subjectId, int studentId) { N_To_N_StudentSubject m = _dataBaseContext.N_To_N_StudentSubject.FirstOrDefault(x => x.SubjectId == subjectId && x.StudentId == studentId); if (m != null) { _dataBaseContext.N_To_N_StudentSubject.Remove(m); _dataBaseContext.SaveChanges(); } }