private void Window_Loaded(object sender, RoutedEventArgs e)
        {
            var rep = new RepositoryBase<Medico>();

            ShareList = new ObservableCollection<MedicoGrid>();
            rep.Listar().Select(x => new MedicoGrid()
            {
                Nome = x.Nome,
                CRM = x.CRM
            }).ToList().ForEach(x=> ShareList.Add(x));

            DataContext= ShareList;
        }