public manutencaoForm(string s, int ID)
{
InitializeComponent();
_controller = new manutencaoController();
_veiculos = new veiculosController();
_recibo = new recibosController();
observer = new Counter();
observer.RegisterObserver(VeiculosView.Instance);
observer.RegisterObserver(FinanceiroView.Instance);
observer.RegisterObserver(Estatisticas.Instance);
_state = s;
obj = _veiculos.ObterPorId(ID);
if (obj.Status == "Em Manutenção")
{
_id = obj.ID;
_state = "devolve";
LoadData();
}
}