private void detach_Enderecos(Endereco entity)
		{
			this.SendPropertyChanging();
			entity.Usuario = null;
		}
		private void attach_Enderecos(Endereco entity)
		{
			this.SendPropertyChanging();
			entity.Usuario = this;
		}
 partial void UpdateEndereco(Endereco instance);
 partial void DeleteEndereco(Endereco instance);
 partial void InsertEndereco(Endereco instance);