partial void DeleteHistoryUser(HistoryUser instance);
partial void UpdateHistoryUser(HistoryUser instance);
private void detach_HistoryUsers(HistoryUser entity)
{
this.SendPropertyChanging();
entity.User = null;
}
partial void InsertHistoryUser(HistoryUser instance);
private void attach_HistoryUsers(HistoryUser entity)
{
this.SendPropertyChanging();
entity.User = this;
}