private void BoutonEffacer_Click(object sender, RoutedEventArgs e)
{
BLL.BLL BLL_DELETE_CONTACT = new BLL.BLL();
if (BLL_DELETE_CONTACT.deleteContact(phoneAeffacer.Text))
{
messageDelete.Text = "Contact deleted";
phoneAeffacer.Text = "";
}
else
{
messageDelete.Text = "No contact found";
}
}