Linked Questions

In ASP.NET MVC 5 you could throw a HttpException with a HTTP code and this would set the response like so: throw new HttpException((int)HttpStatusCode.BadRequest, "Bad Request."); HttpException does ...

I have an ASP.NET Core 1.0 Web API application and trying to figure out how to pass the exception message to the client if a function that my controller is calling errors out. I have tried so many ...

I would like to return only standardized error responses from my Web API (Asp.net Core 2.1), but I can't seem to figure out how to handle model binding errors. The project is just created from the "...

I have asp.net core application. The implementation of configure method redirects the user to "Error" page when there is an exception ( in non Development environment) However it only works if the ...

I'm trying to use the DefaultHttpContext object to unit test my exception handling middleware. My test method looks like this: [Fact] public async Task ...

In Framework WebAPI 2, I have a controller that looks like this: [Route("create-license/{licenseKey}")] public async Task<LicenseDetails> CreateLicenseAsync(string licenseKey, ...

I have in my startup.cs file: if (env.IsDevelopment()) { app.UseExceptionHandler("/api/error/error-local-development"); } else { app....

I am trying to use middleware for exception handling in my ASP.Net Core 3.0 Web API project: public class ErrorHandlingMiddleware { private readonly RequestDelegate next; public ...

I'm playing a bit with ASP.NET Core. I'm creating a basic webapi. I'd like to show a JSON error when there is a problem. The printscreen shows want I want on my screen. The only problem is that it's ...

I have a .NET Core web app which has an API. I've defined an Middleware class based on this answer like so: public class ErrorHandlingMiddleware { private readonly RequestDelegate next; ...

I am looking for help we can have a custom Error404 page in ASP.NET 5 MVC6. The closest I have come is to use app.UseStatusCodePagesWithReExecute("/Error/{0}"); in the Startup.cs Configure method. ...

I have a traditional WebApi project on .NET 4.6.1 with a global ExceptionFilter which handles known exceptions to return a friendly message with a corresponding status code. WebApiConfig.cs public ...

I do not know if this is actually possible, but I think it' s worth a try to find out. There are maybe other and better patterns (if you know one let me know, I will look them up) to do this, but I'm ...

I have a simple Web API Core v3.1 where I am trying to handle Exceptions Globally. After following this answer https://stackoverflow.com/a/55166404/1508398, here is my code for doing that. app....

When the code in the startup class throws, ASP.NET Core catches the exception instead of letting it fall through behind the IWebHost.Build call. The app consequently does start but only serves an ...