Found the problem. Need to add activate the layout options.
layout.ActivateOptions();
cyz wrote:
>
> Hi, I tried to add appender/loggers at runtime. But result came out is not
> what I expected.
>
> //--------------------------------------code
> --------------------------------------
> log4net.Appender.RollingFileAppender fileAppender = new
> log4net.Appender.RollingFileAppender();
> fileAppender.Name = "RuntimeAppender";
> fileAppender.File = @"E:\runtime.log";
> fileAppender.AppendToFile = true;
> fileAppender.RollingStyle =
> log4net.Appender.RollingFileAppender.RollingMode.Size;
> fileAppender.MaxSizeRollBackups = -1;
> fileAppender.MaximumFileSize = "100KB";
> fileAppender.PreserveLogFileNameExtension = true;
> fileAppender.StaticLogFileName = false;
> fileAppender.CountDirection = 0;
> fileAppender.Threshold = log4net.Core.Level.All;
> log4net.Layout.PatternLayout layout = new log4net.Layout.PatternLayout();
> layout.ConversionPattern = "%n%d{yyMMdd_hhmmss.fff};%-5level;%m";
> layout.Header = "Time;Level;Description;";
> fileAppender.Layout = layout;
> fileAppender.ActivateOptions();
>
> log4net.Repository.Hierarchy.Hierarchy repository =
> (log4net.Repository.Hierarchy.Hierarchy)log4net.LogManager.GetRepository();
> log4net.Repository.Hierarchy.Logger logger =
> (log4net.Repository.Hierarchy.Logger)repository.GetLogger("RuntimeAppender");
> logger.AddAppender(fileAppender);
>
>
> log4net.ILog myLogger = log4net.LogManager.GetLogger("RuntimeAppender");
> myLogger.Info("testing");
> //----------------------------------------------------------------------------
> the resulted file content is something like below:
> Time;Level;Description;testing
>
> I'm looking for something like below:
> Time;Level;Description;
> 110201_050751.829;INFO ;testing
>
> which configuration/code below can produce this result nicely.
>
> //-------------------------------------------------------------------------
> <appender name="ConfigAppender"
> type="log4net.Appender.RollingFileAppender">
> <!--file value="e:\log%property{RuntimeName}.log" /-->
> <file value="e:\configappender.log" />
> <appendToFile value="true" />
> <rollingStyle value="Size" />
> <maxSizeRollBackups value="-1" />
> <maximumFileSize value="1MB" />
> <staticLogFileName value="false" />
> <countDirection value="0" />
> <layout type="log4net.Layout.PatternLayout">
> <header value="Time;Level;Description;" />
> <conversionPattern value="%n%d{yyMMdd_hhmmss.fff};%-5level;%m" />
> </layout>
> </appender>
> <logger name="RollingLogAppender">
> <level value="ALL" />
> <appender-ref ref="ConfigAppender" />
> </logger>
>
> log4net.ILog log2 = log4net.LogManager.GetLogger("RollingLogAppender");
> log2.Info("testing");
>
>
> Can someone help? Thanks a lot.
>
>
>
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