async void ActualizarTarea()
        {
            if (tareas != null)
            {
                tareas.Nombre     = Name;
                tareas.Notes      = Notes;
                tareas.Finalizada = Completed;
                var Repository = new Repositorio();
                var Result     = await Repository.ActualizarTareaAsync(tareas);

                if (Result == 1)
                {
                    await Application.Current.MainPage.DisplayAlert
                        ("Mensaje", "Registro Modificado!", "Ok");

                    await Application.Current.MainPage.Navigation.PopAsync();
                }
            }
        }