Get DevExtreme DropDownBox Selected Values

Question

I use multi select DevExtreme DropdownBox in View and fill it from model but I can't get selected values in controller on Post method how I can read selected values?

Answer 1

I got a @Html.HiddenField then filled the hiddenfield value in below js function:

    function getSelectedItemsKeys(items) {
    var result = [];
    items.forEach(function (item) {
        if (item.selected) {
            result.push(item.key);
        }
        if (item.items.length) {
            result = result.concat(getSelectedItemsKeys(item.items));
        }
    });
    $("#myHF").val(result);
    return result;
}

then send hidden field to controller by view model.