xml解析标签

        //获取两个标签之间的值
        private static string GetStr(string message, string strStart, string strEnd)
        {
            int start = 0;
            int end = 0;
            start = message.IndexOf(strStart);
            if (start < 0) return "";
            end = message.Substring(start + strStart.Length).IndexOf(strEnd);
            if (end >= 0)
            {
                return message.Substring(start + strStart.Length, end);
            }
            return "";
        }