/// <summary>

        /// 对数字添加”,“号，可以处理负数以及带有小数的情况

        /// </summary>

        /// <param name="version"></param>

        /// <returns></returns>

        protected string FormatMoney( string money)

        {

            //处理带有负号情况

            int negNumber = money.IndexOf( "-" );

            string prefix = string.Empty;

            if ( negNumber != - )

            {

                prefix = "-";

                money = money.Substring(  );

            }

            //处理有小数位情况

            int decNumber = money.IndexOf( "." );

            string postfix = string.Empty;

            if ( decNumber != - )

            {

                postfix = money.Substring( decNumber );

                money = money.Substring(  , decNumber -  );

            }

            //开始添加”,“号

            if ( money.Length >  )

            {

                string str1 = money.Substring(  , money.Length -  );

                string str2 = money.Substring( money.Length -  ,  );

                if ( str1.Length >  )

                {

                    return prefix + FormatMoney( str1 ) + "," + str2 + postfix;

                }

                else

                {

                    return prefix + str1 + "," + str2 + postfix;

                }

            }

            else

            {

                return prefix + money + postfix;

            }

        }