partial void DeleteBenhNhan(BenhNhan instance);
partial void UpdateBenhNhan(BenhNhan instance);
private void detach_BenhNhans(BenhNhan entity)
{
this.SendPropertyChanging();
entity.BenhLy = null;
}
partial void InsertBenhNhan(BenhNhan instance);
private void attach_BenhNhans(BenhNhan entity)
{
this.SendPropertyChanging();
entity.BenhLy = this;
}