DateTime?格式化输出

2014-12-31 15:28:18 访问(1636) 赞(0) 踩(0)


        /// <summary>
        /// DateTime?格式化输出
        /// </summary>
        /// <param name="dtValue"></param>
        /// <returns></returns>
        public string DateTimeNullFormat(DateTime? dtValue)
        {
            if (dtValue == null)
                return "";

            DateTime theValue = (DateTime)dtValue;

            return theValue.ToString("yyyy-MM-dd HH:mm:ss");
        }

        /// <summary>
        /// DateTime?格式化输出
        /// </summary>
        /// <param name="dtValue"></param>
        /// <param name="strFormat"></param>
        /// <returns></returns>
        public string DateTimeNullFormat(DateTime? dtValue, string strFormat)
        {
            if (dtValue == null)
                return "";

            DateTime theValue = (DateTime)dtValue;

            if (strFormat == null || strFormat.Length == 0)
                return theValue.ToString("yyyy-MM-dd HH:mm:ss");
            else
                return theValue.ToString(strFormat);
        }