Question

I just started using ELMAH and am a fan. My team supports a large number of web applications and I’m particularly excited that ELMAH lets us save exceptions from each application to the same MS SQL database table.

We also support a few console, DLL and desktop applications. Is it possible to use the ELMAH DLL to log exceptions in these apps to that same location?

Answer 1

We have exactly the same situation here. Running ELMAH for all our web applications. A few of them have console based schedulers.

After doing some digging through the source code, the following code seems to work:

            ErrorLog errorLog = ErrorLog.GetDefault(null);
            errorLog.ApplicationName = "/LM/W3SVC/1/ROOT/AppName";
            errorLog.Log(new Error(ex));

The only real problem with the above is that you need to keep the application name somewhere in your config to be able to see the entries on the ELMAH.axd viewer.

So in our generic error handling code we do:

        if (HttpContext.Current != null)
            ErrorSignal.FromCurrentContext().Raise(ex);
        else
        {
            ErrorLog errorLog = ErrorLog.GetDefault(null);
            errorLog.ApplicationName = ErrorHandling.Application;
            errorLog.Log(new Error(ex));
        }