create table dbo.Log
(
Id bigint identity (1, 1) not null,
LogDate datetime not null,
Thread nvarchar(255) not null,
LogLevel nvarchar(50) not null,
Logger nvarchar(255) not null,
LogMessage nvarchar(2000) not null,
Exception nvarchar(2000) null,
constraint Log_PKEY primary key (Id)
) with (data_compression = page)
"DSN=MS Access Database;UID=admin;PWD=;SystemDB=C:\data\System.mdw;SafeTransactions = 0;FIL=MS Access;DriverID = 25;DBQ=C:\data\train33.mdb"
"Driver={Microsoft Access Driver (*.mdb)};DBQ=C:\Work\cvs_root\log4net-1.2\access.mdb;UID=;PWD=;"
"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:\Work\cvs_root\log4net-1.2\access.mdb;User Id=;Password=;"
System.Data.OleDb.OleDbConnection, System.Data, Version=1.0.3300.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
System.Data.SqlClient.SqlConnection, System.Data, Version=1.0.3300.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
Microsoft.Data.Odbc.OdbcConnection,Microsoft.Data.Odbc,version=1.0.3300.0,publicKeyToken=b77a5c561934e089,culture=neutral
This is an optional package that you can download from
http://msdn.microsoft.com/downloads
search for ODBC .NET Data Provider.
System.Data.OracleClient.OracleConnection, System.Data.OracleClient, Version=1.0.3300.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
This is an optional package that you can download from
http://msdn.microsoft.com/downloads
search for .NET Managed Provider for Oracle.
<mapping>
<level value="ERROR" />
<eventLogEntryType value="Error" />
</mapping>
<mapping>
<level value="DEBUG" />
<eventLogEntryType value="Information" />
</mapping>
IPEndPoint remoteEndPoint = new IPEndPoint(IPAddress.Any, 0);
UdpClient udpClient;
byte[] buffer;
string loggingEvent;
try
{
udpClient = new UdpClient(8080);
while(true)
{
buffer = udpClient.Receive(ref remoteEndPoint);
loggingEvent = System.Text.Encoding.Unicode.GetString(buffer);
Console.WriteLine(loggingEvent);
}
}
catch(Exception e)
{
Console.WriteLine(e.ToString());
}
Dim remoteEndPoint as IPEndPoint
Dim udpClient as UdpClient
Dim buffer as Byte()
Dim loggingEvent as String
Try
remoteEndPoint = new IPEndPoint(IPAddress.Any, 0)
udpClient = new UdpClient(8080)
While True
buffer = udpClient.Receive(ByRef remoteEndPoint)
loggingEvent = System.Text.Encoding.Unicode.GetString(buffer)
Console.WriteLine(loggingEvent)
Wend
Catch e As Exception
Console.WriteLine(e.ToString())
End Try
log4net configuration XML goes here
using log4net.Config;
using System.IO;
using System.Configuration;
...
XmlConfigurator.Configure(new FileInfo(ConfigurationSettings.AppSettings["log4net-config-file"]));
using log4net.Config;
using System.IO;
using System.Configuration;
...
XmlConfigurator.Configure(new FileInfo(ConfigurationSettings.AppSettings["log4net-config-file"]));
log.Debug("This is entry number: " + i );
if (log.IsDebugEnabled())
{
log.Debug("This is entry number: " + i );
}
GlobalContext.Properties["hostname"] = Environment.MachineName;
ILog log = LogManager.GetLogger("application-log");
log.Info("Application Start");
log.Debug("This is a debug message");
if (log.IsDebugEnabled)
{
log.Debug("This is another debug message");
}
log.Debug("This is entry number: " + i );
if (log.IsDebugEnabled)
{
log.Debug("This is entry number: " + i );
}
private static readonly bool isDebugEnabled = log.IsDebugEnabled;
if (isDebugEnabled)
{
log.Debug("This is entry number: " + i );
}
StringWriter writer = new StringWriter();
Layout.Format(writer, loggingEvent);
string formattedEvent = writer.ToString();
ILog log = LogManager.GetLogger(typeof(TestApp));
log.Debug("Message 1");
log.Warn("Message 2");
DEBUG [main]: Message 1
WARN [main]: Message 2
| Format modifier | left justify | minimum width | maximum width | comment |
|---|---|---|---|---|
| %20logger | false | 20 | none |
|
| %-20logger | true | 20 | none |
|
| %.30logger | NA | none | 30 |
|
| false | 20 | 30 |
|
|
| %-20.30logger | true | 20 | 30 |
|
%timestamp [%thread] %level %logger %ndc - %message%newline
%-6timestamp [%15.15thread] %-5level %30.30logger %ndc - %message%newline
DEBUG - Hello world
<?xml version="1.0" ?>
<!DOCTYPE log4net:events SYSTEM "log4net-events.dtd" [<!ENTITY data SYSTEM "abc">]>
<log4net:events version="1.2" xmlns:log4net="http://logging.apache.org/log4net/schemas/log4net-events-1.2>
&data;
</log4net:events>
LogicalThreadContext.Properties["user"] = userName;
log.Info("This log message has a LogicalThreadContext Property called 'user'");
using(LogicalThreadContext.Stacks["LDC"].Push("my context message"))
{
log.Info("This log message has a LogicalThreadContext Stack message that includes 'my context message'");
} // at the end of the using block the message is automatically popped
ILog log = LogManager.GetLogger("application-log");
log.Info("Application Start");
log.Debug("This is a debug message");
if (log.IsDebugEnabled)
{
log.Debug("This is another debug message");
}
using (NDC.Push("my context message"))
{
... all log calls will have 'my context message' included ...
} // at the end of the using block the message is automatically removed
using(log4net.NDC.Push("NDC_Message"))
{
log.Warn("This should have an NDC message");
}
var someValue = "ExampleContext"
using(log4net.NDC.PushFormat("NDC_Message {0}", someValue))
{
log.Warn("This should have an NDC message");
}
ThreadContext.Properties["user"] = userName;
log.Info("This log message has a ThreadContext Property called 'user'");
using(ThreadContext.Stacks["NDC"].Push("my context message"))
{
log.Info("This log message has a ThreadContext Stack message that includes 'my context message'");
} // at the end of the using block the message is automatically popped
using log4net.Util;
ILog log = LogManager.GetLogger("application-log");
log.InfoExt("Application Start");
log.DebugExt("This is a debug message");
using(log4net.LogicalThreadContext.Stacks["NDC"].Push("Stack_Message"))
{
log.Warn("This should have an ThreadContext Stack message");
}
string s = OptionConverter.SubstituteVariables("Value of key is ${key}.");
string s = OptionConverter.SubstituteVariables("Value of nonExistentKey is [${nonExistentKey}]");
{key1=value1, key2=value2, key3=value3}
{key1=value1, key2=value2, key3=value3}
using(log4net.ThreadContext.Stacks["NDC"].Push("Stack_Message"))
{
log.Warn("This should have an ThreadContext Stack message");
}