partial void DeletePPayment(PPayment instance);
partial void UpdatePPayment(PPayment instance);
private void detach_PPayments1(PPayment entity)
{
this.SendPropertyChanging();
entity.User1 = null;
}
partial void InsertPPayment(PPayment instance);
private void attach_PPayments1(PPayment entity)
{
this.SendPropertyChanging();
entity.User1 = this;
}