Traceoutputoptions
How can we implement debugging and tracing in ASP. How do we view the results of debug traceoutputoptions trace? So can we see a quick sample of how tracing information can be viewed? What if we want to enable tracing in all pages? Is it possible to do silent tracing, rather than displaying on the browser? How do I persist the instrumented information? There is too much noise can we only see information which we need? All the above methodologies are for web, how can we do tracing for windows? Can we emit different types of trace events like critical, warning, error etc? Can we control what kind of information can be routed? How can switch off instrumentation? It would great if we can summarize? This video talks about Debugging, Tracing and Instrumentation. Diagnosing traceoutputoptions software application is an art and this art has to be more skillful when you go on production. In development environment you have the complete VS IDE tool so the diagnosing becomes much easier. On production environment as a best practice you do not install visual studio IDE. This article has a three point agenda. We will also understand some drawbacks of the same. In tracing framework we will try to understand trace objectswitches and listeners. You can watch my. NET interview questions videos on various sections like WCF, Silver light, LINQ, WPF, Design patterns, Entity framework etc. Debugging becomes pretty complex on production environments where the project is deployed in a release mode and you need to figure out till what point the code ran and when did it crash. If your application is well planned with proper instrumentation you can just say the person to view the event viewer or a log file for further details and you can give the solution on the phone itself. We would like to enable application instrumentation in two situations while you are doing development and while your application is in production. In the below code we are tracking critical execution points like page load and button click. As said previously debug is meant for enabling instrumentation in development phase while tracing helps during execution. During development VS IDE tool is the best medium traceoutputoptions viewing debug information and during execution the mediums can be a browser, event viewers, file system etc. In order to see debug information execute the project, click on debug, windows and click on output menu as traceoutputoptions in the below figure. You should be able to see the output information in output windows as shown in the below figure. As debug code is not shipped in production you will not be able to see the debug information while your application is go live. As said previously tracing information is seen when you execute the project in production mode or go live mode. Tracing information can be viewed by on various mediums: NET you can also view by using Trace. Once you have done the same you should be able to see tracing information as shown in the below figure. With trace enabled as true it also displays lot of other things like different page eventssession datahidden field datahttp headers etc. In actual production it will not be a good idea to enable the trace using the above two methodologies as the end user can view your tracing information on the browser. So the next logical question is how we silently trace the same. In order to background silent tracing we need to go to the web. This in memory stored instrumentation data can be viewed using Trace. Below is a sample screen shot which shows how the data looks. If you click on traceoutputoptions view details you can see the tracing information. When we instrument using debug attribute either using page or AXD extension they are not persisted. In other words they are displayed on the browser temporarily. Most of the times we would like to persist the information in a file, event viewer etc so that we can later see the history for proper diagnosis. When this attribute is set to true the information is sent to a listener. You can then define various types of listeners like text file listener, event viewer etc. Below is a sample code snippet of how the listeners actually look. NET tracing engine will emit diagnosis information which will be then caught and routed to the proper source by the listener. When we use the trace attribute it emits out all the events of the page. Sometimes these events can hinder your diagnosis. If you want to eliminate all ASP. NET events and just concentrate on your message then we need to add a source. We need to then write the messages on the source and the source will redirect the same to the trace listeners. In order to define a source go to your web. Inside the source we can define various listeners. We would like to emit different kind of messages from the application like critical messages, error message or just information. Sometime we would like to control the kind of diagnosis information we see. This can be achieved by using the switch tag in config file. You can define various values depending on what kind of diagnose information you want to record. Net or windows application emits tracing information to the trace source; these messages can be controlled by switches and sent to various sources file, event viewer, xml etc which are defined using trace listeners. Below figure summarizes the complete tracing framework visually. NET and Implementing Your Own Trace Listeners BCL Team Blog A Tracing Primer - Part I [Mike Rousos] Cutting Edge A Provider-Based Service for ASP. NET Tracing How to Configure Trace Switches Viewing diagnostics trace info in an ASP. NET Website - Alex Thissen Weblog Build 1. NET Tracing with System. With the article we have also provided the source. The source code demonstrates: Download source code from here. This article, along with any associated source code and files, is licensed under The Code Project Open License CPOL. Articles Quick Answers Messages. Debugging, Tracing and Instrumentation in. NET 14 FAQ with full video. Shivprasad koirala29 Jan Please Sign up or sign in to vote. What is debugging and tracing? Error, 0" This is a error message" ; obj. Critical, 0traceoutputoptions This is a critical message" ; obj. Warning, 0" This is a simple warning message" ; obj. Information, 0" Simple information message" ; obj. Verbose, 0" Detail Verbose message". Shivprasad koirala Architect http: Do not forget to watch my Learn step by step video series. Learn MVC 5 step by step in 16 hours Learn MVC Core MVC 6 Step by Step Learn Angular 2 for beginners step by step Learn AngularJS 1. The Swiss-Army Knife of Trace. Generate and add keyword variations using AdWords API. Window Tabs Traceoutputoptions Add-In for DevStudio. SAPrefs - Netscape-like Preferences Dialog. WTL for MFC Programmers, Part IX - GDI Classes, Common Dialogs, and Utility Classes. You must Sign In to use this message board. Ashish Jain Jan Paul Conrad Aug Sunasara Imdadhusen Feb Traceoutputoptions S 9-Feb 2: Pankaj Babre Jan Shivprasad koirala 1-Feb NET interview questions with mostly asked questions in. NET Interview questions and answers. Eric Fan Jan Success is the good fortune that comes from aspiration, desperation, perspiration and inspiration. Omar Gamil Jan 1: Permalink Advertise Privacy Terms of Use Mobile Web02 2. Article Browse Code Stats Revisions 3 Alternatives Comments 30 Add your own alternative version Tagged as C ASP. NET Architect Dev Beginner Intermediate Advanced web-dev entity-framework Stats NET 14 FAQ with full video Shivprasad koirala29 Jan Thank you Ashish Jain Jan Thank you for taking the time to write a brief, practical and well explained article. How Debugging, Tracing and Instrumentation in. Message Automatically Removed Apr Very Good nico 2-Dec 6: Good explanation, just the thing I was searching!! Excellent kiran dangar Sep 3: Thanks for the post Very Nice Paul Conrad Aug Very nice article and well written "The clue train passed his station without stopping. Nice article Sunasara Imdadhusen Feb My vote of 5 [raju. My vote of 5 Abhinav S 9-Feb 2: One of the best explanations of this subject SleepyCrat 1-Feb 7: This was one of the best articles I have seen explaining this subject in a friendly and understandable way. My vote of 5 Pankaj Babre Jan I have a question though, If we have to do application level error-logging in a n-tier architecture, how to keep track of exceptions occurring in layers rather than Presentation? My vote of 5 Shivprasad koirala 1-Feb Just write to the trace object. I have shown in the article how to do diagonising for windows application. Same will apply for middle tier and data layer. My vote of 5 jim lahey Jan 5: My vote of 5 Eric Fan Jan My vote of 5 Yusuf Jan 8: My vote of 5 meeram Jan 1: Excellent and good article Thanks a lot for the traceoutputoptions. My vote of 5 d2niraj Jan My vote of 5 Baesky Jan Love the explaination Xmen W. My vote of 5 swetha. Very Clearly Explained with figures and examples. My vote of 5 SChristmas Jan 3: My vote of 5 Omar Gamil Jan 1: My Vote of 5 RaviRanjankr Jan 0: Nice Article thanks for share it.
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