Nlog config file examples

In some versions of NLog for mono and I think 2. Regarding the overflow - It seems to be due only to the layout being of CSV type - if I do a regular layout there is no problem. What is the fileAsCsv target-ref for, there? I'm trying to get this example to work against NLog v2.

PeterMounce The fileAsCsv target-ref is just an artifact from my testing. I provided a couple of reasonably interesting answers to this question: Nlog - Generating Header Section for a log file Adding a Header: The question wanted to know how to add a header to the log file.

Set "version", " GetLogger "headerlogger". Info "It doesn't matter what this is because the header format does not include the message, although it could" ; This is largely just another version of the "Treating exceptions differently" idea. Log each log level with a different layout Similarly, the poster wanted to know how to change the format per logging level. Community Bot 1 1 1 silver badge. I hadn't seen the GlobalDiagnosticsContext before. Generic; using System. Linq; using System.

Text; using System. Net; using System. Web; using System. Targets; using NLog. GetFormattedMessage logEvent ; if string. Post the data client. ToBase64String System. GetRequestStream ; reqStream.

Write bytes, 0, bytes. Length ; reqStream. Create string. UrlEncode msg. IsNullOrEmpty s s. Twitter uses OAuth -. NET has a provider in dotnetopenauth. Lukie Lukie 1 1 gold badge 11 11 silver badges 20 20 bronze badges. Exception occurred Pat src source - this would come from a variable pertaining to the machine on which the app was running, e. MachineName or some such log a log file or verbose message All of the variables are optional, but nothing is reported if none of them are set - so if you just visit the website URL nothing is sent to the db.

This could allow XSS attacks. This worked for one project, but in others I have had issues with the url : InnerException: System. String' to 'System. Another option if you want to be able to monitor the log and be notified in the event of an error would be a Twitter Target. See this link for a Twitter Appender written for log4net: twitterappender. I have fooled around with writing a NLog TwitterTarget but have not had success actually getting a Tweet posted.

I have posted the code as an answer. Feel free to try it out if you would like. Log from Silverlight When using NLog with Silverlight you can send the trace to the server side via the provided web service.

Configurable through the 'filename' attribute in nlog. Yeah yeah, the file should be circular, I know Truncate, FileAccess. Append, FileAccess. BaBu BaBu 1, 2 2 gold badges 16 16 silver badges 27 27 bronze badges. The Overflow Blog. We could just as easily configure it to do trace logging, log warning messages, etc. The first thing we need to do is install the NLog and NLog. Config packages into our project via NuGet. This will add the NLog library to the project references, as well as the NLog.

There are tons of configuration settings available to you, all of which can be found at the NLog project site. For our example we will add configuration settings that will have NLog write to a file on the local file system. Here is the XML to make to make this happen:. With this syntax, a variable must be defined before use. Otherwise configuration initialization will fail. Constant mode or static mode works for all types of properties independent of their type, but they will not react to runtime changes.

Dynamic mode only works for properties of the type NLog Layout , and provides the following abilities:. NLog 5.

The tags are called Layout Renderers and can be used to insert pieces of contextual information into the text. Layouts can be used in many places, for example they can control the format of information written on the screen or sent to a file, but also to control the file names themselves.

The above example will create the following files:. To define a wrapper in the configuration file, simply nest a target node within another target node. You can even wrap a wrapper target - there are no limits on depth. For example, to add asynchronous logging with retry-on-error functionality add this to your configuration file:. Because asynchronous processing is a common scenario, NLog supports a shorthand notation to enable it for all targets without the need to specify explicit wrappers.

Remember to Flush is very important, when using asynchronous background writing. It ensures all logging is written before application exit. The name should not include the. With NLog 5. This makes the snippets more isolated:. See also Register-your-custom-component. The configuration file is read automatically at program startup. In a long running process such as a Windows service or an ASP. NLog can monitor logging configuration files and re-read them each time they are modified.

NET Core application to Logstash. This will install the latest version. If you want to install a particular version you should append the version number you want to install, for example, for. For further information check out the NLog documentation.

Configuring NLog can be done in your application app. In order to emit log message you can simply call one of the methods on the Logger. This is an example in.