partial void Deleteuserstock(userstock instance);
partial void Updateuserstock(userstock instance);
private void detach_userstocks(userstock entity)
{
this.SendPropertyChanging();
entity.user = null;
}
partial void Insertuserstock(userstock instance);
private void attach_userstocks(userstock entity)
{
this.SendPropertyChanging();
entity.user = this;
}