<div id="spreadsheet"></div>

    <script>
    $(function() {
        var spreadsheet = $("#spreadsheet").kendoSpreadsheet().data("kendoSpreadsheet"),
            colContextMenu = spreadsheet.colHeaderContextMenu();

        colContextMenu.bind("open", function(e) {
            var menu = e.sender;
            var spread = $(e.target).getKendoSpreadsheet();
            var sheet = $(e.target).getKendoSpreadsheet().activeSheet();
            var selected = sheet.select();
            var colNumber = selected.topLeft.col;

            if (colNumber === 0) {
                $('li[data-action="hide-column"]').hide();
            } else {
                $('li[data-action="hide-column"]').show();
            }
        });
    });
    </script>