C# Write Error To Windows Event Log
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C# Windows Event Log Read
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C# Write Exception To Event Log
be auto redirected in 1 second. EventLog Class EventLog Methods WriteEntry Method WriteEntry Method WriteEntry Method (String) WriteEntry Method (String) WriteEntry Method (String) WriteEntry Method https://support.microsoft.com/en-us/kb/307024 (String) WriteEntry Method (String, EventLogEntryType) WriteEntry Method (String, EventLogEntryType, Int32) WriteEntry Method (String, EventLogEntryType, Int32, Int16) WriteEntry Method (String, EventLogEntryType, Int32, Int16, Byte[]) WriteEntry Method (String, String) WriteEntry Method (String, String, EventLogEntryType) WriteEntry Method (String, String, EventLogEntryType, Int32) WriteEntry Method (String, String, EventLogEntryType, Int32, Int16) WriteEntry Method (String, String, EventLogEntryType, Int32, https://msdn.microsoft.com/en-us/library/xzwc042w(v=vs.110).aspx Int16, Byte[]) 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. EventLog.WriteEntry Method (String) .NET Framework (current version) Other Versions Visual Studio 2010 .NET Framework 4 Visual Studio 2008 .NET Framework 3.5 .NET Framework 3.0 .NET Framework 2.0 Writes an information type entry, with the given message text, to the event log.Namespace: System.DiagnosticsAssembly: System (in System.dll)Syntax C#C++F#VB Copy public void WriteEntry( string message ) Parametersmessage Type: System.StringThe string to write to the event log. Exceptions Exception Condition ArgumentExceptionThe Source property of the EventLog has not been set.-or- The method attempted to register a new event source, but the computer name in MachineName is not valid.- or -The source is already registered for a different event log.- or -The message string is longer than 31,839 bytes (32,766 bytes on Windows operating system
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings http://stackoverflow.com/questions/1133355/c-sharp-writing-to-the-event-viewer and policies of this site About Us Learn more about 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 a community of 4.7 million programmers, just like you, helping each other. Join them; it event log only takes a minute: Sign up c# writing to the event viewer up vote 50 down vote favorite 12 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 windows event log 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 = 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