String Format With Name

String Format With Name

        public static string FormatWith(this string format, object source)
        {
            return FormatWith(format, null, source);
        }

        public static string FormatWith(this string format, IFormatProvider provider, object source)
        {
            if (format == null)
                throw new ArgumentNullException("format");

            Regex r = new Regex(@"(?<start>\{)+(?<property>[\w\.\[\]]+)(?<format>:[^}]+)?(?<end>\})+",
              RegexOptions.Compiled | RegexOptions.CultureInvariant | RegexOptions.IgnoreCase);

            List<object> values = new List<object>();
            string rewrittenFormat = r.Replace(format, delegate (Match m)
            {
                Group startGroup = m.Groups["start"];
                Group propertyGroup = m.Groups["property"];
                Group formatGroup = m.Groups["format"];
                Group endGroup = m.Groups["end"];

                values.Add((propertyGroup.Value == "0")
                  ? source
                  : System.Web.UI.DataBinder.Eval(source, propertyGroup.Value));

                return new string('{', startGroup.Captures.Count) + (values.Count - 1) + formatGroup.Value
                  + new string('}', endGroup.Captures.Count);
            });

            return string.Format(provider, rewrittenFormat, values.ToArray());
        }
        
        
        //use
        string result = "{Url}?roomnum={RoomNum}&productnum={ProductNum}&giftnum={GiftNum}&hotelcode={HotelCode}&checkin={CheckIn}&checkout={CheckOut}&adults={Adults}&children={Children}&roomtype={RoomType}&roomid={RoomId}&ratecode={RateCode}&servicedata={ServiceData}&upgradespecified={UpgradeSpecified}&discountcode={DiscountCode}&groupcode={GroupCode}&promocode={PromoCode}&roomflag={RoomFlag}&share=true&productcode={ProductCode}&traveldate={TravelDate}&gradecode={GradeCode}&agebands={AgeBands}&hoteloption={HotelOption}&hotelid={HotelId}&hotelname={HotelName}&hoteladdress={HotelAddress}&productflag={ProductFlag}";
        var temp = new
            {
                Url = string.Format("{0}://{1}/{2}", HostResolver.RequestScheme,Request.Url.Host,CookieUtil.GetWebsiteLanguage()),
                RoomNum,
                ProductNum,
                GiftNum,
                //room
                HotelCode,
                CheckIn,
                CheckOut,
                Adults,
                Children,
                RoomType,
                RoomId,
                RateCode,
                ServiceData,
                UpgradeSpecified,
                DiscountCode,
                GroupCode,
                PromoCode,
                RoomFlag,

                //product
                ProductCode,
                TravelDate,
                GradeCode,
                AgeBands,
                HotelOption,
                HotelId,
                HotelName,
                HotelAddress,
                ProductFlag

                //gift
            };
            result = result.FormatWith(temp);