Learn to change the default behavior and return HTTP 404 when action methods in ASP.NET Core return null values. ASP.NET Core MVC is the .NET Core counterpart of the ASP.NET MVC framework. You can ...

Your final step for handling bad controller names is to tell ASP.NET MVC to use your custom controller factory. To make that happen, you just need to insert a line into the Application_Start method of ...

Take advantage of the UseExceptionHandler middleware in ASP.Net Core to ensure that every error in your Web API application is caught Exceptions are runtime errors ...

There really isn't such a thing as an "unhandled error" -- if your code throws an error outside of a Try...Catch block, then your error bubbles up through various ASP ...

Our ASP.NET application is intermittently spitting out this error. It's been working flawlessly for about a year, and now it's givng us:<BR>=====<BR>Server Error in ...