partial void DeleteStreet(Street instance);
 partial void UpdateStreet(Street instance);
 partial void InsertStreet(Street instance);
		private void detach_Street(Street entity)
		{
			this.SendPropertyChanging();
			entity.Type_street = null;
		}
		private void attach_Street(Street entity)
		{
			this.SendPropertyChanging();
			entity.Type_street = this;
		}
		private void attach_Street(Street entity)
		{
			this.SendPropertyChanging();
			entity.Gorod = this;
		}