protected override void OnPreRender(EventArgs e)
        {
            Localize();
            if (SpamPreventionQuestion == null)
            {
                SpamPreventionQuestion = new SimpleMathQuestion();
            }

            litQuestionExpression.Text = SpamPreventionQuestion.QuestionExpression;
        }
        protected override void OnPreRender(EventArgs e)
        {
            ControlToValidate = txtAnswerInput.ID;
            base.OnPreRender(e);

            Localize();
            if (SpamPreventionQuestion == null)
            {
                SpamPreventionQuestion = new SimpleMathQuestion();
            }

            litQuestionExpression.Text = SpamPreventionQuestion.QuestionExpression;
        }