public void ActivateOption(string selectedItem)
        {
            _activeSpinner = null;

            for (int i = 0; i < _buttons.Count; i++)
            {
                if (_buttons[i] is QuantitySpinner)
                {
                    if (_buttons[i].CaptionText == selectedItem)
                    {
                        ((QuantitySpinner)_buttons[i]).Active = true;
                        _activeSpinner = ((QuantitySpinner)_buttons[i]);
                    }
                    else
                    {
                        ((QuantitySpinner)_buttons[i]).Active = false;
                    }
                }
            }
        }
        public void ActivateOption(string selectedItem)
        {
            _activeSpinner = null;

            for (int i = 0; i < _buttons.Count; i++)
            {
                if (_buttons[i] is QuantitySpinner)
                {
                    if (_buttons[i].CaptionText == selectedItem)
                    {
                        ((QuantitySpinner)_buttons[i]).Active = true;
                        _activeSpinner = ((QuantitySpinner)_buttons[i]);
                    }
                    else
                    {
                        ((QuantitySpinner)_buttons[i]).Active = false;
                    }
                }
            }
        }