private void FirstNameTextBox_LostFocus(object sender, RoutedEventArgs e)
{
if (!App.containsOnlyLetters(FirstNameTextBox.Text, false) && FirstNameTextBox.Text != "")
{
MessageBox.Show("Invalid first name", "Don't mess with me!!!", MessageBoxButton.OK, MessageBoxImage.Error);
FirstNameTextBox.Text = "";
}
}
private void addressStreetNameTextBox_LostFocus(object sender, RoutedEventArgs e)
{
if (!App.containsOnlyLetters(addressStreetNameTextBox.Text) && addressStreetNameTextBox.Text != "")
{
MessageBox.Show("Invalid street name", "Don't mess with me!!!", MessageBoxButton.OK, MessageBoxImage.Error);
addressStreetNameTextBox.Text = "";
}
}