How to render html output in ASP.NET MVC5?

Question

HTML

Please help a beginner in ASP.
There are, let's say, several input text fields.
It is necessary to display them according to the template in html by pressing a button
. Data transfer is GET or POST request
. I found posts where data is sent to the controller, but it returns some kind of return Content (authData); which is unknown to me

Or how to simply output data to the html document from the Controller, because they get there and I can’t figure out how to further (

Answer 1

ASP.NET MVC 5 Guide