private void CheckLastName(object sender, EventArgs e) { if (FileChecker.CheckLastName(LastName.Text)) { return; } MessageBox.Show("WrongInput"); LastName.Text = ""; }
private void CheckLastName(object sender, EventArgs e) { if (FileChecker.CheckLastName(LastName.Text)) { return; } MessageBox.Show("Неверные данные!!!"); LastName.Text = ""; }