public void OnSetDefaultValue(string text)
        {
            object    value     = null;
            Tokenizer tokenizer = new Tokenizer();

            CodeConvert.TryParseType(expectedValueType, text, ref value, null, tokenizer);
            // parse errors
            if (tokenizer.HasError())
            {
                popup.Set("err", defaultValue.gameObject, tokenizer.GetErrorString()); return;
            }
            cHeader.columnSetting.defaultValue = value;
            popup.Hide();
        }