Logging exceptions to event log

public static void LogException(string ErrorDescription)
{
    // The name of our log in the event logs
    string Log = “AspNetError”;

    // Check to see fi the log for AspNetError exists on the machine
    //          If not, create it

    if ((!(EventLog.SourceExists(Log))))
    {
        EventLog.CreateEventSource(Log, Log);
    }

    // Now insert your exception information into the AspNetError event log
    EventLog logEntry = new EventLog();
    logEntry.Source = Log;
    logEntry.WriteEntry(ErrorDescription, EventLogEntryType.Error);
}

// Usage
try
{
    ThrowException();
}
catch (Exception exp)
{
    LogException(exp.ToString());
    throw;  // or whatever you want to do with it
}