学步园

        /// <summary>
        /// 判断输入是否为日期类型
        /// </summary>
        /// <param name="s">待检查数据</param>
        /// <returns></returns>
        public static bool IsDate(string s)
         {
            if (s == null)
             {
                return false;
             }
            else
             {
                try
                 {
                     DateTime d = DateTime.Parse(s);
                    return true;
                 }
                catch
                 {
                    return false;
                 }
             }
         }