MVC Razor - 如何向自己提交表单

I'm using MVC and Razor for the first time and have what is hopefully a really easy question. I have two pages on the site. The first page (Page A) has a very small form on it which has an input for an email address. when the user enters their email address and clicks submit they are sent to page B using HttpPost, like so:I'm using MVC and Razor for the first time and