Using Log4Net in your application
Using Log4Net for logging errors
Step 1:Download and install Log4Net from http://logging.apache.org/log4net/download.html
Step 2: Right click the project and add a reference to log4net.dll by selecting browse tab.
Step 3: Add the Log4Net configuration information to your web.config file.
<configSections>
<section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler, log4net-net-1.0"/>
</configSections>
<log4net>
<appender name="TraceAppender" type="log4net.Appender.RollingFileAppender">
<file value="Application.log" />
<appendToFile value="true" />
<rollingStyle value="Size" />
<maxSizeRollBackups value="10" />
<countDirection value="1" />
<maximumFileSize value="1MB" />
<staticLogFileName value="true" />
<layout type="log4net.Layout.XmlLayout" />
</appender>
<logger name="LoggingExample">
<level value="ALL" />
<appender-ref ref="TraceAppender" />
</logger>
</log4net>
Step 2:
Add the following code in your application to load the configuration for Log4Net.
string logFile = HttpContext.Current.Request.PhysicalApplicationPath + "web.config";
log4net.Config.XmlConfigurator.Configure(new System.IO.FileInfo(logFile));
Step 3:
Create a log category before logging any message by using LogManager class
public static log4net.ILog logger = log4net.LogManager.GetLogger("LoggingExample");
Step 4:
Log the message or exceptions in application as below.
try {
logger.Info("You are in try block");
}
catch(Exception ex)
{
logger.Error("Error in application: ", ex);
}