That .NET Foundation GitHub project is described as a "Sample ASP.NET Core 3.1 reference application, powered by Microsoft, demonstrating a layered application architecture with monolithic deployment ...

A GitHub project providing more than 300 code samples to illustrate ASP.NET Core fundamentals has amassed more than 4,000 stars.

First off, let’s create an ASP.NET Core MVC project in Visual Studio 2019. Following these steps will create a new ASP.NET Core MVC project in Visual Studio 2019 using .NET 5.

Learn to change the default behavior and return HTTP 404 when action methods in ASP.NET Core return null values.