Hi.I'm new at umbraco.. wanna do a simple searching module..how can do this in document types with razor?

i mean how can i catch querystring at the other side and list the results?

<div class="search_bar">

<form action="#" method="get">

<input name="s" value="Type &amp; Search" type="text" />

                                <input class="search_button" type="submit" value="Search" />

</form>

</div>

form is something like this..please help..