How to set the data source for the Grid Control ?

[Script]

<script>

            // the datasource "window.gridData" is defined for grid

         window.gridData = [

             { "OrderID": 10001, "CustomerID": 101, "Freight": "Chicago" },

             { "OrderID": 10002, "CustomerID": 102, "Freight": "San Francisco" },

             { "OrderID": 10003, "CustomerID": 103, "Freight": "New York" },

         ]

</script>

[Script]

<script>

$(function () {

$("#mobgridfilter").ejmGrid({

                dataSource: window.gridData, //Datasource referred here

                columns: [

                         { field: "OrderID", headerText: "Order ID" },

                         { field: "CustomerID", headerText: "Customer ID" },

                         { field: "Freight", headerText: "Freight" }

                ],

                actionComplete: function () { $("#samplescroll").ejmScrollPanel("refresh"); }

            });

});

    </script>