C# 字符數字千分位轉換並保留N位小數

        /// <summary>
        /// 設置千分位，並保留N位小數,補0
        /// </summary>
        /// <param name="money">數字</param>
        /// <param name="decimalPlace">小數位數</param>
        /// <returns></returns>
        public string FormatMonry(string money, int decimalPlace)
        {
            return double.Parse(money).ToString("N" + decimalPlace);
        }

        /// <summary>
        /// 不設置千分位，並保留N位小數，不補0
        /// </summary>
        /// <param name="money">數字</param>
        /// <param name="decimalPlace">小數位數</param>
        /// <returns></returns>
        public string FormatNumber(string number, int decimalPlace)
        {
            return double.Parse(double.Parse(number).ToString("F" + decimalPlace)).ToString();
        }