public async void Remove(Professor professor)
{
bool action = await App.Current.MainPage.DisplayAlert("Atenção", $"Deseja remover o {professor.Name}?", "Sim", "Não");
if (action)
{
await ProfessorRepository.DeleteProfessorAsync(professor.Id);
await App.Current.MainPage.DisplayAlert("Info", $"{professor.Name} removido com sucesso!", "Ok");
await LoadProfessors();
}
}