Update Paramaters with link_to?

FAQ? Seriously?

What does clicking a link do? It triggers the browser to send a
request to the server.

In Rails, a controller determined by your routes configuration is
passed that request, and does whatever you want with it.

It's probably a bad idea to do this with a GET request, but in any
case I'd suggest working through a good basic Rails tutorial
before anything else.

Good luck,