How to pass selected checkbox values to actionlink?

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ASP.NET

jQuery

MVC3

I want to pass the selected checkbox values of the datatable to the actionlink. I have a datatable where I am displaying all the requests. I want to download a pdf file for each of the request. So want to pass the ids of the requests to the actionlink. I have the code:

$(".check_all").click(function () {
        alert("Hi");
        var requestedFormat = $("input[name=format]:checked").val();
        var list = [];
        $('input[name=chkRequest]:checked').each(function () {
            list.push($(this).val());
            //alert($(this).val());
        });
        alert(list);

To select the checkbox ids, I am storing it in the list variable. Again I have CSHTML code:

@Ajax.ActionLink("Internal Use", "DownloadrequirementsInternalUse", "Request", new { Id = list, @area = "RMG" }, null)

How to pass the selected checkbox list to the controller? Please Help.

What I have tried:

I have tried the code mentioned above. but not able to pass the selected values to the actionlink.