partial void DeleteSV(SV instance);
partial void UpdateSV(SV instance);
private void detach_SVs(SV entity)
{
this.SendPropertyChanging();
entity.Lop = null;
}
partial void InsertSV(SV instance);
private void attach_SVs(SV entity)
{
this.SendPropertyChanging();
entity.Lop = this;
}