public string Format(Log log)
        {
            StringBuilder builder = new StringBuilder();
            builder.AppendLine("<log>");
            builder.AppendLine(string.Format("<date>{0}</date>", log.LogDate));
            builder.AppendLine(string.Format("<level>{0}</level>", log.Level.Name));
            builder.AppendLine(string.Format("<message>{0}</message>", log.Message));
            builder.AppendLine("</log>");

            return builder.ToString();
        }
        public string Format(Log log)
        {
            StringBuilder builder = new StringBuilder();
            builder.Append(log.LogDate);
            builder.Append(" - ");
            builder.Append(log.Level.Name);
            builder.Append(" - ");
            builder.Append(log.Message);

            return builder.ToString();
        }