private void detach_Bilets1(Bilet entity)
{
this.SendPropertyChanging();
entity.Gorod1 = null;
}
private void attach_Bilets1(Bilet entity)
{
this.SendPropertyChanging();
entity.Gorod1 = this;
}
partial void UpdateBilet(Bilet instance);
partial void DeleteBilet(Bilet instance);
partial void InsertBilet(Bilet instance);