Error Handling .net Framework
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auto redirected in 1 second. Development Guide Application Essentials Exceptions Exceptions Best Practices for Exceptions Best Practices for Exceptions Best
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Practices for Exceptions Exception Class and Properties Exception Hierarchy Exception Handling Fundamentals Best Practices for Exceptions Handling COM Interop Exceptions TOC Collapse the table of content Expand the table of content This documentation https://msdn.microsoft.com/en-us/library/ms973849.aspx is archived and is not being maintained. This documentation is archived and is not being maintained. Best Practices for Exceptions .NET Framework (current version) Other Versions Visual Studio 2010 .NET Framework 4 Silverlight .NET Framework 3.5 .NET Framework 3.0 .NET Framework 2.0 .NET Framework 1.1 A well-designed app handles exceptions and errors to prevent app crashes. This article describes best practices for handling and creating https://msdn.microsoft.com/en-us/library/seyhszts(v=vs.110).aspx exceptions.Handling exceptionsThe following list contains some general guidelines for handling exceptions in your app.Use exception handling code (try/catch blocks) appropriately. You can also programmatically check for a condition that is likely to occur without using exception handling. Programmatic checks. The following example uses an if statement to check whether a connection is closed. If it isn't, the example closes the connection instead of throwing an exception. C#C++VB Copy if (conn.State != ConnectionState.Closed) { conn.Close(); } Exception handling. The following example uses a try/catch block to check the connection and to throw an exception if the connection is not closed. C#C++VB Copy try { conn.Close(); } catch (InvalidOperationException ex) { Console.WriteLine(ex.GetType().FullName); Console.WriteLine(ex.Message); } The method you choose depends on how often you expect the event to occur. Use exception handling if the event doesn't occur very often, that is, if the event is truly exceptional and indicates an error (such as an unexpected end-of-file). When you use exception handling, less code is executed in normal conditions.Use the programmatic method to check for errors if the event happens routinely and could be considered part of normal execution. When you check for errors programmatically, more code is e
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the http://stackoverflow.com/questions/3732823/how-to-disable-net-framework-exception-handling-and-use-my-own-instead workings and policies of this site About Us Learn more about http://stackoverflow.com/questions/2152501/best-approach-for-logging-error-handling-framework-for-a-c-sharp-net-v3-5-appli Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. error handling Join them; it only takes a minute: Sign up How to disable .NET Framework exception handling and use my own instead? up vote 11 down vote favorite 2 I've developed a .NET 4 software and I'm ready to send it to beta users. If an unhandled exception is thrown in the software, I would like to catch it, log error handling framework it and send the logs to me. I've already implemented this functionality and it seems to be running fine when I run it in debug mode with Visual Studio. However, when I've built a release version of the software and installed it, Microsoft .NET Framework starts to catch exceptions before my code. I get a popup with an error message: "Unhandled exception has occurred in a component in your application. If you click Continue, the application will ignore this error and attempt to continue." To test the crashing, I created a crash down button which throws an exception. This crash down logs itself and the exception handler logs all received unhandled exceptions. When I look at the log of the release version, I can only see the log message from crash down but not from the exception handler. I've attached my own exception handler with this code: AppDomain.CurrentDomain.UnhandledException += CurrentDomain_UnhandledException; Is there some way to disable the exception catching of .NET Framework or is there a better way to attach my own exception han
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up best approach for Logging/Error Handling framework for a C# .NET v3.5 application? (enterprise library / log4net / ?) up vote 4 down vote favorite 1 I'm working on a .NET v3.5 winforms app and would like to leverage some support for: a) logging (to file & to perhaps windows events) b) error handling / exception handling framework - to assist in distinguishing messages that can be shown to user versus handled within the code and logged c) a bonus extra would be how to capture/buildup serious errors to me via a server side web-service (similar to firefox when it asks you to feedback issues to the developers) - however if this doubles the complexity of what I'm asking for drop this requirement Things I'm aware of include: log4net - seems popular but not sure if it helps with my requirement b) enterprise library - which I've looked at however it seems a bit heavy (like overkill) thanks .net logging exception-handling error-handling enterprise-library share|improve this question asked Jan 28 '10 at 5:29 Greg 11.5k51175347 add a comment| 4 Answers 4 active oldest votes up vote 1 down vote accepted +1 for log4net. Regarding (b), I tend to define my own custom exceptions (all derived from the same base class e.g. "BusinessException") that are raised by the BLL for errors that need to be communicated to the user (input violates business rule, user authorization failed, ...). If the BLL is deployed as a Web Service, such exceptions are wrapped in a SOAP fault with a client(SOAP 1.1)/sender(SOAP 1.2) fault code. Then in the UI tier, any BusinessException or FaultException with FaultCode.IsSenderFault = true indicates that the error message should be displayed to the end user. Any other exceptions are logged, and a generic message ("something bad happened") is shown to the end user. Personally I think that distinguishing messages that are to be shown to the user can only sensibly be done in an application-specific way suc