If you need an easy way to handle logging exceptions in your ASP.NET web application but want to avoid all the complexities of using a logging library and / or setting up all the database "Stuff", here is an easy way to handle it:
<add key="logExceptions" value="true"/>
public class Global : System.Web.HttpApplication
public static bool LogErrors = Convert.ToBoolean(ConfigurationManager.AppSettings["logExceptions"]);
protected void Application_Error(object sender, EventArgs e)
Exception ex = Server.GetLastError().GetBaseException();
DateTime.Now.ToString() + ": \r\n" + ex.Message + "\r\n" + ex.StackTrace);
What this does is grab the Exception (the one you didn't handle -- right? :-) and use the neato File.AppendAllText static method which will create the file if it isn't there, append your text, and close the file all in one swoop. We write to our file in the /App_Data folder because that folder is automatically excluded from file change notification. We don't want our app recycling on us just because we logged an exception.
So by simply changing the appSettings element "logExceptions" to true, we can turn on "poor mans exception logging".
Thanks to an active developer / blogger community, my ittyurl.net site (which I originally developed for myself, but later realized that if I made it public, others might find it useful) -- now has a large number of active Silverlight links to their work, along with a few that I have added. Check it out if you are interested in Silverlight - I certainly am!
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