使用Log4Net时将整数值存储到ElasticSearch中

<appender name="ElasticSearchAppender" type="log4net.ElasticSearch.ElasticSearchAppender, log4net.ElasticSearch">
  <serverUrl value="http://localhost:9200" />
  <indexName value="mylogs" />
  <typeName value="log" />
  <layout type="log4net.Layout.PatternLayout">
    <conversionPattern value="%date [%thread] %-5level %logger - %message%newline" />
  </layout>
</appender>

private static readonly ILog log = LogManager.GetLogger(typeof(MyClass));

public void MyMethod()
{
    log.Info("This is an info message.");
    log.Error("This is an error message.", new Exception("Something went wrong."));
}

GlobalContext.Properties["MyInteger"] = 123;

log.InfoFormat("The value of MyInteger is {0}.", GlobalContext.Properties["MyInteger"]);