本文轉自：https://stackoverflow.com/questions/25865610/global-exception-handling-in-web-api-2-1-and-nlog

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In Web API 2.1 is new Global Error Handling.

I found some example how to log exceptions into Elmah ( elmah sample ).

But I use NLog to log errors into database table.

Is it posible to use Web API Global Error Handling with NLog?

Please provide some example.

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It's actually quite simple, you either implement IExceptionLogger by hand or inherit from the base class, ExceptionLogger.

public class NLogExceptionLogger : ExceptionLogger {private static readonly Logger Nlog = LogManager.GetCurrentClassLogger();public override void Log(ExceptionLoggerContext context){Nlog.LogException(LogLevel.Error, RequestToString(context.Request), context.Exception);}private static string RequestToString(HttpRequestMessage request){var message = new StringBuilder();if (request.Method != null)message.Append(request.Method);if (request.RequestUri != null)message.Append(" ").Append(request.RequestUri);return message.ToString();} }

Also add it to the config:

var config = new HttpConfiguration(); config.Services.Add(typeof(IExceptionLogger), new NLogExceptionLogger());

You can find full sample solution here.

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轉載于:https://www.cnblogs.com/freeliver54/p/8072485.html

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