1、首先引用Log4Net 的命名空间
using log4net;
2、在使用的类中生命静态变量 log
public class FileService
{
static readonly ILog log =
LogManager.GetLogger(typeof(FileService));
.....
.....
3、在 try catch 语句中记录异常信息
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try { operationHandler(fileName); return
FileOperationResult.Successful; } catch
(IOException ex) { log.Info("Unable to save file: "
+ fileName, ex); userMessage = "A problem occured saving the file."; /* TODO: Make localizable resource. */ ioExceptionOccured = true; } catch
(Exception ex) /* TODO: catch common IO errors and report to user. */ { log.Info("Unable to save file: "
+ fileName, ex); var
userMessageException = ex as
IUserMessageProvider; if
(userMessageException != null
&& userMessageException.UserMessagePresent) { userMessage = userMessageException.UserMessage; } } |
原文：http://www.cnblogs.com/babietongtianta/p/3522230.html