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Asp.net 2.0 Error Handling Best Practices


It feels like author wants to become a great IT guru so much that he publishes his "tips" everywhere, non-stop. While the Yellow Screen of Death error page is acceptable in the development environment, displaying such an error page in production to real users smacks of an unprofessional website. For local users (typically developers and testers of the application), the page displays a complete exception report. Amazingly, he was trying to convince me that this line will not work. useful reference

C# if(conn.State != ConnectionState.Closed) { try { conn.Close(); } catch(exception ex) { strError = “Unable to close the database “ + ex.ToString(); }; 01234567891011 if(conn.State != ConnectionState.Closed) { try { conn.Close(); If you want ASP.NET to handle requests for all file types, you can configure IIS to map file-name extensions to ASP.NET. The one with exception will take about 8 seconds, the other - just 1 second. The guy on the stage was a full time MS employee. http://www.asp.net/web-forms/overview/getting-started/getting-started-with-aspnet-45-web-forms/aspnet-error-handling

Asp.net Error Handling Best Practices

Sign In·ViewThread·Permalink Re: Kikoz68 you have problem? Documentation states facts, as it should, but your article is supposed to explain documentation. Nope. Scared?

then this next page returns a status code 200 ( ok ). 302 --> 200 , or even 302 --> 404 has different meaning that just a 404... You think you are always right, interpreting everything they way you want to understand. I see the same approach in today's code from many guys. Asp.net Error Logging Go to top Permalink | Advertise | Privacy | Terms of Use | Mobile Web02 | 2.8.160929.1 | Last Updated 21 Mar 2006 Article Copyright 2006 by Ali Khan (OKC)Everything else

So, what's better - to have a crappy meaningless bool returns from business layer or exact reason (type) of the exception on each unexpected situation? i.e. <%@ Page EnableSessionState="ReadOnly" %> To disable session state for a specific application, use the following element in the Web.config file of the application. To disable session state for I've seen silly "tips" before but never with such an aplomb... "why would you raise an exception when you can easily handle it." And you were questioning my education? Just ignore Kikoz68 kind of people Sign In·ViewThread·Permalink My vote of 4 Eduardo Ceratti27-Nov-12 6:47 Eduardo Ceratti27-Nov-12 6:47 Have nice information about best practices Sign In·ViewThread·Permalink My vote of

Let me just say that statement "use the overload method that accepts Boolean" is so lame. 7 years ago, when the 1st .NET version was released, all VB-lovers were screaming in Asp.net Mvc Error Handling This log source can be a Microsoft SQL Server database, an XML file, a Microsoft Access database, or an Oracle database, among many other options. See below, please. "Your view clearly contradicts with most designers’/developers’ experience, and Microsoft’s own website" (this is a quote from your earlier comment). His early research was for Hershey foods in the genetics of the chocolate tree and the molecular biology of chocolate production.

Exception Handling In Asp.net C#

net 2. 0 with C#User Review - Not Available - Book VerdictASP.NET 2.0 (see Computer Media,LJ 10/1/05), an essential technology in Microsoft's .NET 2.0 framework, works with languages like Visual Basic check that Sign In·ViewThread·Permalink Using Block - 12. Asp.net Error Handling Best Practices Read about it here: http://west-wind.com/weblog/posts/5601.aspx Also, I'm curious: why don't you answer my other questions about the rest of your "tips"? Asp.net Custom Error Most custom exceptions should be derived from the exception class.

Unlike the Yellow Screen of Death error page, a custom error page can match the look and feel of your existing website and explain to the user that there was a http://dis-lb.net/error-handling/asp-error-handling-example.php For a good overview of health monitoring check out my article Health Monitoring in ASP.NET, along with Erik Reitan's Health Monitoring FAQ. Thanks also to my brother Rob for your inspiring creativity – best of luck in your final year at Uni. You don't have to follow all of its suggestions, but it may reveal things about your structure or data that will help you choose more appropriate indexes. Asp.net Error Page

Let me explain the image in details: This is not browser's own default error page which it displays when resource is inaccessible (crap happens sometimes). And the last thing, everybody's favorite - exceptions. You bet they are. this page It doesn’t go into the details of each and every item, it will require books to explain each and everything, not everything can be fully explained in just one article.

look at some of the resources i added. –BigBlondeViking Aug 5 '09 at 13:42 Thanks, Now i think i got that why server.transfer required in application_error page, so that Asp.net Application_error They think that only they know what is right and wrong, in reality they are just illiterate and uneducated. If a request is made on the server computer (localhost), ASP.NET renders a page with detailed error information.

This is especially true for clients that have a slow connection speed.

Through detailed explanations and working C# code examples, this popular author team eases you into the world of ASP.NET development and gradually introduces you to all sorts of interesting ASP.NET tricks Failing to call Close or Dispose prolongs the life of the object in memory long after the client stops using it. Optimize code and exception handling To optimize expensive loops, use For instead of ForEach in performance-critical code paths. Page_error Event In Asp.net C# When visiting locally, the Yellow Screen of Death page includes additional information about the exception that was raised.

Here’s an example of the 404 error report in Google Webmaster tools: EDITS Is it require to write server.clearerror() in global.asax? To understand the concepts, create the following sample application. You are not ready to accept that you can be mistaken too. Get More Info Just wanted you to know that I like your article.

To finalize: if you app tries to handle all this without exceptions then I'd say that your app worth precisely zero in terms of manageability and reliability. An unhandled exception is being propagated to the page level if not handled at the code level.At the page level Page_Error is the event that catches the exception and we can Client site validation can help reduce round trips that are required to process user's request. Problem with exceptions is a logical one.

A Repeater Web server control is a compromise between convenience and performance. Does the existence of Prawn weapons suggest other hostile races in the District 9 universe? Thanks to Lou for designing the Wrox United site, and for being such a fantastic friend. Your motto should always be "get in, get/save data, get out." If you use different objects, make sure you call the Dispose method of the object or the Close method if

This way when the user sees an error message, it will be derived from the description string of the exception that was thrown, rather than from the exception class. Do not use exceptions to control logic. There is no reason for me to deny, if I posted same article on other websites. It is possible to create an event handler for this event, either through Global.asax or via an HTTP Module.

You were referring to this site (and, obviously) its creators as a final judgment, correct? Usually there will be no exceptions at all. Q: Should I use try/finally blocks around code that can potentially generate an exception and centralize my catch statements in one location?