private void detach_tbDonThuocs(tbDonThuoc entity)
		{
			this.SendPropertyChanging();
			entity.tbBenhNhan = null;
		}
 partial void DeletetbDonThuoc(tbDonThuoc instance);
 partial void InserttbDonThuoc(tbDonThuoc instance);
 partial void UpdatetbDonThuoc(tbDonThuoc instance);
		private void attach_tbDonThuocs(tbDonThuoc entity)
		{
			this.SendPropertyChanging();
			entity.tbNhanVien = this;
		}