title: How to check log4net log path?
body: <p>My configuration file is :</p>
  
  <pre><code>&lt;log4net  xsi:noNamespaceSchemaLocation="http://csharptest.net/downloads/schema/log4net.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"&gt;
          &lt;appender name="InfoFileAppender" type="log4net.Appender.RollingFileAppender"&gt;
              &lt;file value="D:/" /&gt;
              &lt;appendToFile value="true" /&gt;
              &lt;param name="DatePattern" value="yyyyMMdd&amp;quot;.txt&amp;quot;" /&gt;
              &lt;rollingStyle value="Date" /&gt;
              &lt;maxSizeRollBackups value="100" /&gt;
              &lt;datePattern value="YYYY-MM-DD'.log'"/&gt;
              &lt;maximumFileSize value="1024KB" /&gt;
              &lt;staticLogFileName value="false" /&gt;
              &lt;encoding value="utf-8"/&gt;           
              &lt;filter type="log4net.Filter.LevelRangeFilter"&gt;
                  &lt;param name="LevelMin" value="INFO" /&gt;
                  &lt;param name="LevelMax" value="INFO" /&gt;
              &lt;/filter&gt;
              &lt;layout type="log4net.Layout.PatternLayout"&gt;
                  &lt;conversionPattern value="%date %-5level %logger  - %message%newline" /&gt;
              &lt;/layout&gt;
          &lt;/appender&gt;
          &lt;appender name="ErrorFileAppender" type="log4net.Appender.RollingFileAppender"&gt;
              &lt;file value="D:/" /&gt;
              &lt;appendToFile value="true" /&gt;
              &lt;rollingStyle value="Size" /&gt;
              &lt;maxSizeRollBackups value="100" /&gt;
              &lt;maximumFileSize value="10240KB" /&gt;
              &lt;datePattern value="YYYY-MM-DD'.log'"/&gt;
              &lt;staticLogFileName value="true" /&gt;
              &lt;encoding value="utf-8"/&gt;
              &lt;filter type="log4net.Filter.LevelRangeFilter"&gt;
                  &lt;param name="LevelMin" value="WARN" /&gt;
                  &lt;param name="LevelMax" value="FATAL" /&gt;
              &lt;/filter&gt;
              &lt;layout type="log4net.Layout.PatternLayout"&gt;
                  &lt;conversionPattern value="%date %-5level %logger - %message%newline" /&gt;
              &lt;/layout&gt;
          &lt;/appender&gt;
          &lt;root&gt;
              &lt;level value="INFO" /&gt;
              &lt;appender-ref ref="InfoFileAppender" /&gt;
              &lt;appender-ref ref="ErrorFileAppender" /&gt;
          &lt;/root&gt;
      &lt;/log4net&gt;
  </code></pre>
  
  <p>in app.config.</p>
  
  <p>But it has no log file in disk D:!!!!</p>