grid popup template with autoComplete

HTML

<script src="http://demos.kendoui.com/content/shared/js/people.js"></script>
<script src="http://cdn.kendostatic.com/2012.2.710/js/kendo.all.min.js"></script>
<link rel="stylesheet" href="http://cdn.kendostatic.com/2012.2.710/styles/kendo.common.min.css">
<link rel="stylesheet" href="http://cdn.kendostatic.com/2012.2.710/styles/kendo.default.min.css">
<div id="imgBrowser"></div>

<!-- grid element -->
<div id="grid" style="width: 700px; margin: 0 auto;"></div>

<!-- popup editor template -->
<script id="popup_editor" type="text/x-kendo-template">
    <p>Custom editor template</p>
    <div class="k-edit-label">
        <label for="FirstName">First Name</label>
    </div>
    <!-- autoComplete editor for field: "FirstName" -->
    <input name="FirstName"
        data-bind="value:FirstName"
        data-value-field="firstName"
        data-text-field="firstName"
        data-source="autoCompleteDS"
        data-role="autocomplete" />
        
    <div class="k-edit-label">
        <label for="LastName" style="color: red;">Last Name</label>
    </div>
    <!-- textbox editor for field: "LastName" -->
    <!-- field: "LastName" is not included as a grid column -->
    <input type="text" class="k-input k-textbox" name="LastName" data-bind="value:LastName">
    
    <div class="k-edit-label">
        <label for="BirthDate">Birth Date</label>
    </div>
    <!-- datepicker editor for field: "BirthDate" -->
    <input type="text" 
        name="BirthDate" 
        data-type="date" 
        data-bind="value:BirthDate" 
        data-role="datepicker" />
        
    <div class="k-edit-label">
        <label for="Age">Age</label>
    </div>
    <!-- numeric textbox editor for field: "Age" -->
    <input type="text" name="Age" data-type="number" data-bind="value:Age" data-role="numerictextbox" />

<div class="k-edit-label">
        <label for="upload">Upload</label>
    </div>
    <!-- file upload editor for field: "Upload" -->
    <div>
                <div...

JavaScript

var data = createRandomData(50);
var autoCompleteDS = new kendo.data.DataSource({
    data: [
        {firstName: "Alex"},
        {firstName: "Alice"},
        {firstName: "Antony"},
        {firstName: "Anne"},
        {firstName: "Anna"}
    ]
});

$(document).ready(function() {
$("#imgBrowser").kendoImageBrowser({
    transport: {
        read: "/service/ImageBrowser/Read",
        destroy: {
            url: "/service/ImageBrowser/Destroy",
            type: "POST"
        },
        create: {
            url: "/service/ImageBrowser/Create",
            type: "POST"
        },
        thumbnailUrl: "/service/ImageBrowser/Thumbnail",
        uploadUrl: "/service/ImageBrowser/Upload",
        imageUrl: "/service/ImageBrowser/Image?path={0}"
    }
});

    $("#grid").kendoGrid({
        dataSource: {
            data: data,
            schema: {
                model: {
                    fields: {
                        FirstName: { type: "string" },
                        LastName: { type: "string" },
                        City: { type: "string" },
                        Title: { type: "string" },
                        BirthDate: { type: "date" },
                        Age: { type: "number" }
                    }
                }
            },
            pageSize: 10
        },
        height: 450,
        scrollable: true,
        sortable: true,
        pageable: true,
        editable: {
            mode: "popup",
            template: $("#popup_editor").html()
        },
        edit: function(e) {
            $(e.container)
                .find("input[name='FirstName']")
                    .data("kendoAutoComplete")
                        .bind("change", function(e) {
                            console.log("auto complete changed");
                        });
        },
        toolbar: ["create"],
        columns: [
            {
                field: "FirstName",
                title: "First Name",
                width: 100
       ...