C# Write Error To Event Log
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Tree How to: Get Information About Files, Folders, and Drives How to: Create a File or Folder How to: Copy, Delete, and Move Files and Folders How to: Provide a Progress Dialog Box for File Operations How to: Write to a Text File How to: Read From a Text File How to: Read a Text File One Line at a Time How to: Create a c# write to event log security exception Key In the Registry How to: Write to the Application Event Log TOC Collapse the table of content Expand the table of content This documentation is archived and is not being maintained. This documentation is archived and is not being maintained. Recommended Version This documentation is archived and is not being maintained. How to: Write to the Application Event Log (Visual C#) Visual Studio 2008 This example writes a string to the application event log on the local computer.Example Copy System.Diagnostics.EventLog appLog = new System.Diagnostics.EventLog() ; appLog.Source = "This Application's Name"; appLog.WriteEntry("An entry to the Application event log."); Compiling the CodeCopy the code and paste it into the Main method of a console application.Robust ProgrammingA named source can be associated with only one event log (ArgumentException). The exception is thrown when the WriteEntry method is called.SecurityA SecurityException class can be thrown in partial trust situations.See AlsoConceptsC# Programming GuideReferenceSystem.IOOther ResourcesFile System and the Registry (C# Programming Guide) Show: Inherited Protected Print Export (0) Print Export (0) Share IN THIS ARTICLE Dev centers Windows Office Visual Studio Microsoft Azure More... Learning resources Microsoft Virtual Academy Channel 9 MSDN Magazine Community Forums Blogs Codep
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C# Write To Event Log From Service
4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Write to Windows Application Event Log without registering an Event Source up vote 30 down vote favorite 5 https://msdn.microsoft.com/en-us/library/42ste2f3(v=vs.90).aspx Is there a way to write to this event log: Or at least, some other Windows default log, where I don't have to register an event source? c# .net windows logging event-log share|improve this question edited Jun 16 at 14:22 asked Sep 8 '14 at 13:15 Jerther 1,1731923 4 msdn.microsoft.com/en-us/library/42ste2f3%28v=vs.90%29.aspx –Giannis Paraskevopoulos Sep 8 '14 at 13:16 support.microsoft.com/kb/307024/en-us –Albi Sep 8 '14 at 13:19 1 "You must create http://stackoverflow.com/questions/25725151/write-to-windows-application-event-log-without-registering-an-event-source and configure the event source before writing the first entry with the source." –Jerther Sep 8 '14 at 13:20 Seems I can't. So, is there a good fallback method to warn that the application cannot write to the windows logs? A flat file seems good but, where? The application folder would still need some permissions. My application is a windows service. –Jerther Sep 8 '14 at 13:38 2 If your application is a Windows Service, then an event source is created for you automatically. You can access it through ServiceBase.EventLog. The default name of the Source is the ServiceName. –mike z Sep 8 '14 at 16:48 | show 1 more comment 4 Answers 4 active oldest votes up vote 49 down vote accepted Yes, there is a way to write to the event log you are looking for. You don't need to create a new source, just simply use the existent one, which often has the same name as the EventLog's name and also, in some cases like the event log Application, can be accessible without administrative privileges*. *Other cases, where you cannot access it directly, are the Security EventLog, for example, which is only accessed by the operating system. I used this code to write directly to the event log Applic
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about http://stackoverflow.com/questions/1133355/c-sharp-writing-to-the-event-viewer Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is http://www.codeproject.com/Articles/29052/Writing-to-System-Event-Log a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up c# writing to the event viewer up vote 50 down vote favorite 12 event log I'm trying to write to the event viewer in my c# code, but I'm getting the wonderful "Object reference not set to an instance of an object" message. I'd appreciate some help with this code, either what's wrong with it or even a better way to do it. Here's what I have for writing to the event log: private void WriteToEventLog(string message) { string cs = "QualityDocHandler"; EventLog elog = to event log new EventLog(); if (!EventLog.SourceExists(cs)) { EventLog.CreateEventSource(cs, cs); } elog.Source = cs; elog.EnableRaisingEvents = true; elog.WriteEntry(message); } And here's where I'm trying to call it: private readonly Random _rng = new Random(); private const string _chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"; private string RandomString(int size) { try { char[] buffer = new char[size]; for (int i = 0; i < size; i++) { buffer[i] = _chars[_rng.Next(_chars.Length)]; } return new string(buffer); } catch (Exception e) { WriteToEventLog(e.ToString()); return null; } } c# event-log share|improve this question asked Jul 15 '09 at 19:12 PushCode 1,42941726 what line is the error on? –NikolaiDante Jul 15 '09 at 19:13 please provide a stack trace –Brad Barker Jul 15 '09 at 19:16 "Object reference not set to an instance of an object" - means that you are referencing a NULL, it is much more helpful to know the line of code where this happens, because then you can see what it is that is NULL that you're referencing. –Stan R. Jul 15 '09 at 19:17 All I have is this: Error loading and running event receiver QualityDocHandler.DocumentHandler in QualityDocHandler, Version=1.0.0.0, Culture=neutral, PublicKeyToken=e33ce5caa212a16d. Additional information is below. : Object reference not set to an instance of an object. ...this is
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