[Editor's note: Peter rewrote this article after a reader pointed out he over-engineered his original solution. ("What can I say: The code worked -- I just didn't need nearly as much code as I thought ...

Learn how to read request headers and work with optional data that is passed between the server and client in ASP.NET Core 5 applications. ASP.NET Core MVC 5 is a lightweight, open source framework ...

You have a number of different ways to store and retrieve data between requests in ASP.NET Core MVC applications. Here’s how to take advantage of them. Because HTTP is a stateless protocol, state ...

In ASP.NET MVC, the File helper method built into your controller gives you multiple options for retrieving the file you want to send to the client. You can pass the File helper method an array of ...