Set DataSource

This is to test if I can change the DataSource data, rebind it to the grid and keep the Date formatting and filtering

by VtoCorleone

HTML

<script src="http://cdn.kendostatic.com/2012.3.1315/js/kendo.web.min.js"></script>
<link rel="stylesheet" href=" http://cdn.kendostatic.com/2012.3.1315/styles/kendo.default.min.css">
<link rel="stylesheet" href="http://cdn.kendostatic.com/2012.3.1315/styles/kendo.common.min.css">
<div id="testGrid"></div>

JavaScript

var firstNames = ["Nancy", "Andrew", "Janet", "Margaret", "Steven", "Michael", "Robert", "Laura", "Anne", "Nige"],
    lastNames = ["Davolio", "Fuller", "Leverling", "Peacock", "Buchanan", "Suyama", "King", "Callahan", "Dodsworth", "White"],
    birthDates = [new Date("1948/12/08"), new Date("1952/02/19"), new Date("1963/08/30"), new Date("1937/09/19"), new Date("1955/03/04"), new Date("1963/07/02"), new Date("1960/05/29"), new Date("1958/01/09"), new Date("1966/01/27"), new Date("1966/03/27"), new Date("1973/01/12"), new Date("1983/12/01"), new Date("1969/03/30"), new Date("1992/04/09"), new Date("1993/08/12")];

function createRandomData(count) {
    var data = [],
        now = new Date();
    for (i = 0; i < count; i++) {
        var id = i,
            firstName = firstNames[Math.floor(Math.random() * firstNames.length)],
            lastName = lastNames[Math.floor(Math.random() * lastNames.length)],
            birthDate = birthDates[Math.floor(Math.random() * birthDates.length)];

        data.push({
            Id: id,
            FirstName: firstName,
            LastName: lastName,
            DOB: birthDate
        });
    }
    return data;
}

var columnDefinitions = [{
    field: "FirstName",
    title: "First Name"
}, {
    field: "LastName",
    title: "Last Name",
    filterable: {
        extra: false,
        operators:{
            string: { 
                contains: "Contains",
                eq: "Is equal to",
                startswith: "Starts with"                
            }
        }
    }
}, {
    field: "DOB",
    title: "DOB",
    sortable: false,
    filterable: false,
    template: "#= kendo.toString(DOB,'MM/dd/yyyy') #"
}];

var randomData = createRandomData(1000);

var gridDataSource = {
    data: randomData,
    pageSize: 100,
    scrollable: {
        virtual: true
    }
};

function createGrid() {
    $("#testGrid").html("").kendoGrid({
        dataSource: gridDataSource,
        columns: columnDefinitions,
       ...