public static object GetFormattedValue(string formatString, object value, System.Globalization.CultureInfo culture,
                                               TextCaseFormat outStringCaseFormat)
        {
            object o = GetFormattedValue(formatString, value, culture);

            if (o == null)
            {
                return(null);
            }

            switch (outStringCaseFormat)
            {
            case TextCaseFormat.Lower:
                return(o.ToString().ToLower());

            case TextCaseFormat.Upper:
                return(o.ToString().ToUpper());

            default:
                return(o.ToString());
            }
        }
        public static object GetFormattedValue(string formatString, object value, System.Globalization.CultureInfo culture,
            TextCaseFormat outStringCaseFormat) {
            object o = GetFormattedValue(formatString, value, culture);
            if(o == null)
                return null;

            switch(outStringCaseFormat) {
                case TextCaseFormat.Lower:
                    return o.ToString().ToLower();
                case TextCaseFormat.Upper:
                    return o.ToString().ToUpper();
                default:
                    return o.ToString();
            }
        }