private void detach_Sds(Sd entity)
{
this.SendPropertyChanging();
entity.Sim = null;
}
private void attach_Sds(Sd entity)
{
this.SendPropertyChanging();
entity.Sim = this;
}
partial void UpdateSd(Sd instance);
partial void DeleteSd(Sd instance);
partial void InsertSd(Sd instance);