private void detach_registration_ts(registration_t entity) { this.SendPropertyChanging(); entity.subject_t = null; }
private void attach_registration_ts(registration_t entity) { this.SendPropertyChanging(); entity.student_t = this; }
partial void Updateregistration_t(registration_t instance);
partial void Deleteregistration_t(registration_t instance);
partial void Insertregistration_t(registration_t instance);