private void Txt_Email_LostFocus(object sender, RoutedEventArgs e)
{
try
{
SetEmailTxtColor(_loginLogic.ValidEmail(Txt_Email.Text));
}
catch (InvalidEmail ex)
{
SetEmailTxtColor(false);
Lbl_Warning.Content = ex.Message;
Lbl_Warning.Visibility = Visibility.Visible;
}
}