partial void DeleteEntityDauTu(EntityDauTu instance);
partial void UpdateEntityDauTu(EntityDauTu instance);
private void detach_EntityDauTus(EntityDauTu entity) { this.SendPropertyChanging(); entity.EntityUser = null; }
partial void InsertEntityDauTu(EntityDauTu instance);
private void attach_EntityDauTus(EntityDauTu entity) { this.SendPropertyChanging(); entity.EntityUser = this; }