problems loading the grid with ajax again about jsgrid HOT 2 CLOSED

            controller:{         
                loadData: function(filter) {
                    var d = $.Deferred();
                    $.ajax({
                        type: "GET",
                        url: "ajax.test.php"
                    }).done(function(data) {
                        var result = JSON.parse(data)
                        var test  = $.grep(result, function(item) {
                            return (!filter.codigo || item.codigo.indexOf(filter.codigo) > -1);
                        });
                        d.resolve(test);
                    });
                    return d.promise();
                }
            },