private void BtnSave_Click(object sender, EventArgs e)
{
if (edtNumber.Text != null)
{
var save = Service.AddCopy(int.Parse(edtNumber.Text), libro.Id);
if (save.band)
{
Toast.MakeText(this, save.message, ToastLength.Long).Show();
edtISBN.Text = "";
edtNumber.Text = "";
edtTitulo.Text = "";
}
else
{
Toast.MakeText(this, save.message, ToastLength.Long).Show();
}
}
else
{
Toast.MakeText(this, "Ingrese el número de copia", ToastLength.Long).Show();
}
}