Writing to the application event log

Question

enter image description here I am trying to write my website exceptions to the application event log and I tried different ways and I saw so many postings but still I am not able to do that. Please anyone help me in trying to do this. Here is my code

public class CustomHandleErrorAttribute : ActionFilterAttribute

{
    public override void OnActionExecuted(ActionExecutedContext filterContext)
    {
        {
            // Bail if we can't do anything; app will crash.
            if (filterContext == null)
                return;
            // since we're handling this, log to ELMAH(Error logging modules and handler)

            var ex = filterContext.Exception ?? new Exception("No further information exists.");
            WriteToEventLog(ex);

            filterContext.ExceptionHandled = true;
            var data = new ErrorPresentation
            {
                ErrorMessage = HttpUtility.HtmlEncode(ex.Message),
                TheException = ex,
                ShowMessage = filterContext.Exception != null,
                ShowLink = false
            };

           filterContext.Result = new ViewResult
                                      {
                                          ViewName = "~/Views/Home/ErrorPage.aspx"
                                      };
         }
    }

    public void WriteToEventLog(Exception exception)
    {
        // todo : now I need to write this exception to Event log

        String cs = "FailureAudit";
        var thisMachineName = "abc";
        var logName = "Application";

        EventLog eventLog = new EventLog(logName, thisMachineName);
        if (!EventLog.SourceExists(logName))
        {
            EventLog.CreateEventSource(logName, logName);

        }
        eventLog.Source = cs;
        eventLog.EnableRaisingEvents = true;
        //eventLog.WriteEntry( exception.ToString(), EventLogEntryType.Error);
        eventLog.WriteEntry(exception.ToString());

    }
}

EventLog.CreateEventSource(logName, logName); needs administrative rights... But you could post your error to get us on the right track — TGlatzer
– TGlatzer, Commented Jan 22, 2013 at 14:12
I have all permissions and I am looged in as administrator only still I am getting the same error — 62071072SP
– 62071072SP, Commented Jan 22, 2013 at 14:15
The way Windows UAC works is you might be logged in as administrator, but by default when you start a program, it runs as a non-admin user unless the program requests admin rights. — AndyClaw
– AndyClaw, Commented Jan 22, 2013 at 14:52

ManuelJE · Accepted Answer · 2017-05-23 13:54:37Z

1

I ran the below cmd (with administrative rights) on my machine and I can write to application eventlog now

eventcreate /ID 1 /L APPLICATION /T INFORMATION /SO MYSOURCE /D "MY-SOURCE"

Thanks for the suggestions and comments.

edited May 23, 2017 at 13:54

ManuelJE

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answered Jan 23, 2013 at 16:32

62071072SP

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1 Comment

ManuelJE Over a year ago

This command creates the log and insert a first information line. After that it isn't needed anymore. People who is releasing installation packages should put something similar in their scripts.

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