How to set the category and EventId in EventLog log4net

[Venkatasamy, Vanitha]

Hi All,

I am using log4net to log the errors in my application . Everything works fine 
for the initial setup and logging. Now I want to set the Category and Event in 
the Event log.

I am using the below code to log the EventID  ,but not sure about the category.

      log4net.ThreadContext.Properties["EventID"] = 5;

Also how to differentiate the error levels [like i am getting the error message 
from Global.asax and logging the message to Eventlogs.But all the errors are 
going to log.error as below

          if ((log.IsErrorEnabled) && ((checkException.GetHttpCode() == 500) || 
(checkException.GetHttpCode() == 404)))
           {


                if(checkException.GetHttpCode() == 500)
                log4net.ThreadContext.Properties["Category"] = "500";
                else
                log4net.ThreadContext.Properties["Category"] = "404";

                log.Error("Error" + sbErrorMessage.ToString() );

           }
            else if (log.IsInfoEnabled)
            {
                log.Warn("Information" + sbErrorMessage.ToString());
            }

           else if (log.IsWarnEnabled)
           {
               log.Info("Warning" + sbErrorMessage.ToString());
           }

In addition ,I am not quite clear aout getting the Error,Warning and 
Information separately  ..Like if i get an "InvalidOperationException" it's an 
warning but the httpcode is 500 and it gets logged as "Error". I tried to get 
sbErrorMessage.innerExeception but its null.

Thanks in advance
I want all the errors, warning and information to be logged in one Event log  
as in the attached image.


Thanks,
Vanitha


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