It could be used to access the original request path in an error handler controller or page.For Example: In order to access the exception, Microsoft has included an interface called IExceptionHandlerPathFeature. Therefore, it is better to use Allow Anonymous so that every user including unauthenticated users can also able to see the error view.
Important note:It is recommended not to use Http attributes like Httpget on error handler method, as it could prevent some requests from reaching the method.
RequestId = Activity.Current?.Id ? HttpContext.TraceIdentifier }) You can notice the Error Action method in the below source code. Whereas in the MVC app, the project template would be included with an Error view and an Error action method. cshtml extension and an ErrorModel class called “PageModel Class”. The Razor page app template provides thePages folder which is included with Error page with.
#Rack app error handling request code
Therefore, in order to enable the page while running an application in the Development environment (one of the environment variables used to determine Runtime Environment), you need to add the below code in the Startup.Configure method. It is very important to get notified on-screen about the request exceptions that arise while implementing a web application. Now let us discuss a few approaches related to Error handling in Asp.Net Core 3.1. Startup exception handling mechanismīefore diving into the core part of the subject, it is highly recommended to have a basic understanding ofconcepts like C#, Asp.Net Core programming, OOPs concepts, Exception handling, try, catch, throw, finally, etc. Important points to consider about Exception Handling