var firstNames = [

     "Andrew", "Nancy", "Shelley", "Regina", "Yoshi", "Antoni", "Mayumi", "Ian", "Peter", "Lars", "Petra", "Martin", "Sven", "Elio", "Beate", "Cheryl", "Michael", "Guylene"];

 var lastNames = [

     "Fuller", "Davolio", "Burke", "Murphy", "Nagase", "Saavedra", "Ohno", "Devling", "Wilson", "Peterson", "Winkler", "Bein", "Petersen", "Rossi", "Vileid", "Saylor", "Bjorn", "Nodier"];

 var productNames = [

     "Black Tea", "Green Tea", "Caffe Espresso", "Doubleshot Espresso", "Caffe Latte", "White Chocolate Mocha", "Cramel Latte", "Caffe Americano", "Cappuccino", "Espresso Truffle", "Espresso con Panna", "Peppermint Mocha Twist"];

 var priceValues = [

     "2.25", "1.5", "3.0", "3.3", "4.5", "3.6", "3.8", "2.5", "5.0", "1.75", "3.25", "4.0"];

 // generate sample data.

 var generatedata = function (startindex, endindex) {

     var data = {};

     for (var i = startindex; i < endindex; i++) {

         var row = {};

         var productindex = Math.floor(Math.random() * productNames.length);

         var price = parseFloat(priceValues[productindex]);

         var quantity = 1 + Math.round(Math.random() * 10);

         row["id"] = i;

         row["firstname"] = firstNames[Math.floor(Math.random() * firstNames.length)];

         row["lastname"] = lastNames[Math.floor(Math.random() * lastNames.length)];

         row["productname"] = productNames[productindex];

         row["price"] = price;

         row["quantity"] = quantity;

         row["total"] = price * quantity;

         data[i] = row;

     }

     return data;

 }

 var source = {

     datatype: "array",

     localdata: {},

     totalrecords: 1000000

 };

 // load virtual data.

 var rendergridrows = function (params) {

     var data = generatedata(params.startindex, params.endindex);

     return data;

 }

 var totalcolumnrenderer = function (row, column, cellvalue) {

     var cellvalue = $.jqx.dataFormat.formatnumber(cellvalue, 'c2');

     return '<span style="margin: 6px 3px; font-size: 12px; float: right; font-weight: bold;">' + cellvalue + '</span>';

 }

 var dataAdapter = new $.jqx.dataAdapter(source);

 $("#jqxgrid").jqxGrid({

     width: 500,

     theme: 'energyblue',

     autoheight: true,

     source: dataAdapter,

     virtualmode: true,

     pageable: true,

     rendergridrows: rendergridrows,

     columns: [{

         text: 'Id',

         datafield: 'id',

         width: 50

     }, {

         text: 'First Name',

         datafield: 'firstname',

         width: 100

     }, {

         text: 'Last Name',

         datafield: 'lastname',

         width: 100

     }, {

         text: 'Product',

         datafield: 'productname',

         width: 180

     }, {

         text: 'Quantity',

         datafield: 'quantity',

         width: 70,

         cellsalign: 'right'

     }, {

         text: 'Unit Price',

         datafield: 'price',

         width: 70,

         cellsalign: 'right',

         cellsformat: 'c2'

     }, {

         text: 'Total',

         datafield: 'total',

         cellsrenderer: totalcolumnrenderer,

         width: 100,

         cellsalign: 'right'

     }]

 });