jube-fork/Jube.App/wwwroot/kendo/examples/combobox/virtualization.html

<!DOCTYPE html>
<html>
<head>
    <title>Virtualization</title>
    <meta charset="utf-8">
    <link href="../content/shared/styles/examples-offline.css" rel="stylesheet">
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    <script src="../../js/jquery.min.js"></script>
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    <script src="../content/shared/js/console.js"></script>
    <script>
        
    </script>
    
    
</head>
<body>
    
        <a class="offline-button" href="../index.html">Back</a>
    
    
        <div id="example">

            <div class="demo-section k-content">
                <h4>Orders</h4>
                <input id="orders" style="width: 100%" />
            </div>

            <script>
                $(document).ready(function() {
                    $("#orders").kendoComboBox({
                        template: '<span class="order-id">#= OrderID #</span> #= ShipName #, #= ShipCountry #',
                        dataTextField: "ShipName",
                        dataValueField: "OrderID",
                        virtual: {
                            itemHeight: 26,
                            valueMapper: function(options) {
                                $.ajax({
                                    url: "https://demos.telerik.com/kendo-ui/service/Orders/ValueMapper",
                                    type: "GET",
                                    dataType: "jsonp",
                                    data: convertValues(options.value),
                                    success: function (data) {
                                        options.success(data);
                                    }
                                })
                            }
                        },
                        height: 520,
                        dataSource: {
                            type: "odata",
                            transport: {
                                read: "https://demos.telerik.com/kendo-ui/service/Northwind.svc/Orders"
                            },
                            schema: {
                                model: {
                                    fields: {
                                        OrderID: { type: "number" },
                                        Freight: { type: "number" },
                                        ShipName: { type: "string" },
                                        OrderDate: { type: "date" },
                                        ShipCity: { type: "string" }
                                    }
                                }
                            },
                            pageSize: 80,
                            serverPaging: true,
                            serverFiltering: true
                        }
                    });
                });

                function convertValues(value) {
                    var data = {};

                    value = $.isArray(value) ? value : [value];

                    for (var idx = 0; idx < value.length; idx++) {
                        data["values[" + idx + "]"] = value[idx];
                    }

                    return data;
                }
            </script>

        </div>


    
</body>
</html>