public void Update(int ExchangeKey, string ExchangeName, string ExchangeShortname, bool?Onlyalt)
        {
            Exchange item = new Exchange();

            item.MarkOld();
            item.IsLoaded = true;

            item.ExchangeKey = ExchangeKey;

            item.ExchangeName = ExchangeName;

            item.ExchangeShortname = ExchangeShortname;

            item.Onlyalt = Onlyalt;

            item.Save(UserName);
        }
        public void Update(int ExchangeKey, string ExchangeName, string ExchangeShortname, bool?Onlyalt, decimal?FeePercentage, decimal?WithdrawlFee, bool?Isstatic)
        {
            Exchange item = new Exchange();

            item.MarkOld();
            item.IsLoaded = true;

            item.ExchangeKey = ExchangeKey;

            item.ExchangeName = ExchangeName;

            item.ExchangeShortname = ExchangeShortname;

            item.Onlyalt = Onlyalt;

            item.FeePercentage = FeePercentage;

            item.WithdrawlFee = WithdrawlFee;

            item.Isstatic = Isstatic;

            item.Save(UserName);
        }