partial void DeletetbFriend(tbFriend instance);
partial void UpdatetbFriend(tbFriend instance);
partial void InserttbFriend(tbFriend instance);
private void detach_tbFriends1(tbFriend entity) { this.SendPropertyChanging(); entity.tbUser1 = null; }
private void attach_tbFriends1(tbFriend entity) { this.SendPropertyChanging(); entity.tbUser1 = this; }