private void BoutonLogin_Click(object sender, RoutedEventArgs e)
{
BLL.BLL bll = new BLL.BLL(iD.Text);
if (bll.login(password.Text) == true)
{
Contacts_View fenetreContact = new Contacts_View();
fenetreContact.Show();
this.Close();
}
else
{
messageLogin.Content = "Incorrect ID or password";
}
}