Which of the following are valid state management techniques in .NET Core?

Generally, maintain state across browser sessions where users are actively creating data, not simply reading data that already exists. To preserve state across browser sessions, the app must persist the data to some other storage location than the browser’s memory . State persistence isn’t automatic.

ASP.NET MVC does not use ViewState in the traditional sense (that of storing the values of controls in the web page). Rather, the values of the controls are posted to a controller method . Once the controller method has been called, what you do with those values is up to you.