get value in input text box and send it to controller
===

What are the ways to render the input value **filename** and send it to a controller :

    <div id="fileuploaddiv" class="fileuploaddivclass">
    <form action="@Model.FormAction" method="@Model.FormMethod"
		enctype="@Model.FormEnclosureType">
    <input type="hidden" name="key" value="uploads/${filename}" id="filename" />
    <input type="hidden" name="AWSAccessKeyId" value="@Model.AWSAccessKey" />
    <input type="hidden" name="Content-Type" value="image/jpeg">
    <div>
        Please specify a file, or a set of files:
        <input type="file" name="file" />
    </div>
    <input type="submit" value="Upload" />
    </form>
    </div>