partial void DeleteSignNode(SignNode instance);
partial void UpdateSignNode(SignNode instance);
private void detach_SignNodes(SignNode entity)
{
this.SendPropertyChanging();
entity.Depts = null;
}
partial void InsertSignNode(SignNode instance);
private void attach_SignNodes(SignNode entity)
{
this.SendPropertyChanging();
entity.Depts = this;
}