ASP。NET MVC窗体——返回到具有先前窗体值的视图的正确方法是什么?

I had an assignment to implement a WCF Service and call it from a client of any type. I already have some experience with console, winform, WPF apps, so I wanted to use this as a chance to learn ASP.NET MVC. I had an assignment to implement a WCF Service