partial void UpdateMessage(Message instance);
partial void DeleteMessage(Message instance);
partial void InsertMessage(Message instance);
private void detach_Messages1(Message entity) { this.SendPropertyChanging(); entity.User1 = null; }
private void attach_Messages1(Message entity) { this.SendPropertyChanging(); entity.User1 = this; }
private void detach_Messages(Message entity) { this.SendPropertyChanging(); entity.Group = null; }
private void attach_Messages(Message entity) { this.SendPropertyChanging(); entity.Group = this; }