private void detach_StuCou(StuCou entity) { this.SendPropertyChanging(); entity.Course = null; }
private void attach_StuCou(StuCou entity) { this.SendPropertyChanging(); entity.Course = this; }
partial void UpdateStuCou(StuCou instance);
partial void DeleteStuCou(StuCou instance);
partial void InsertStuCou(StuCou instance);