WebForm Log4Net

<configuration> <configSections> <!-- 附加這行 --> <section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler, log4net"/> </configSections> <!-- 附加下面區塊 --> <log4net> <appender name="RollingFile" type="log4net.Appender.RollingFileAppender"> <file value="logs\log.log" /> <appendToFile value="true" /> <maximumFileSize value="100KB" /> <maxSizeRollBackups value="2" /> <lockingmodel type="log4net.Appender.FileAppender+MinimalLock" /> <datepattern value="'.'yyyy-MM-dd" /> <layout type="log4net.Layout.PatternLayout"> <conversionPattern value="%date | %-5level | %logger{1}.%method:%line | %message%newline" /> </layout> <filter type="log4net.Filter.LevelRangeFilter"> <levelmin value="DEBUG" /> <levelmax value="ERROR" /> </filter> </appender> <root> <level value="DEBUG" /> <appender-ref ref="RollingFile" /> </root> </log4net> <!-- 主要就上面兩部分 --> <connectionStrings/> <appSettings/> </configuration>

// Import log4net classes. using log4net; using log4net.Config; public class MyApp { // Define a static logger variable so that it references the // Logger instance named "MyApp". private static readonly ILog log = LogManager.GetLogger(typeof(MyApp)); static void Main(string[] args) { // Set up a xml configuration that logs. XmlConfigurator.Configure(); log.Info("Entering application."); // do somethings... log.Info("Exiting application."); } }