partial void DeleteNguoiDung(NguoiDung instance);
 partial void UpdateNguoiDung(NguoiDung instance);
		private void detach_NguoiDungs(NguoiDung entity)
		{
			this.SendPropertyChanging();
			entity.DanhMucTinhTrangNguoiDung = null;
		}
 partial void InsertNguoiDung(NguoiDung instance);
		private void attach_NguoiDungs(NguoiDung entity)
		{
			this.SendPropertyChanging();
			entity.DanhMucNguoiDung = this;
		}