public class Dashboard
{
    public List<Location> Locations { get; set; }
    public Filters FiltersDashboard { get; set; }
}

public class Filters
{
    public bool Filter1 { get; set; }
    public bool Filter2 { get; set; }
    public bool Filter3 { get; set; }
    etc...
}

public ActionResult Monitor(Dashboard dashboard)
    {
        if(dashboard.Filters == null)
        {
            dashboard.Filters = new FiltersGSA();
        }
        return View(dashboard);
    }

[HttpPost]
public async Task<ActionResult> Zoeken(Dashboard data, int current, int rowcount, Dictionary<string, string> sort)
{
    return Json(await DataService.Search(data, current, rowcount, sort));
}

$("#searchform").submit(function (event) {
            search();
            event.preventDefault();
        });

function search() {
        var model = @Html.Raw(Json.Encode(Model))
        $("#grid-data").bootgrid("destroy");
        $("#preloader").show();
        $("#grid-data").bootgrid({
            ajax: true,
            url: '@Url.Content("~/SlimmeMeter/Zoeken")',
            type: "POST",
            data: JSON.stringify(model),

            rowCount: -1,
            multiSort: true,

            formatters: {
                "DateOnly": function (column, row) {
                    return Rendo.displayJsonDate(row[column.id]);
                }
            },
            responseHandler: function (response) {
                if (response.error) {
                    $("#errorMessage").show("slow");
                    $("#errorMessagePlaceholder").html(response.message);
                }
                else {
                    //Eventueel error bericht verwijderen
                    $("#errorMessage").hide("slow");
                }

                $("#preloader").hide();

                return response;
            },
            requestHandler: function (request) {
                return request;
            },
        });
    };