$(function(){
 $.ajax({
            type: 'POST',
            url: '/Ajax/PV/PV.ashx',
            data: 'PV:1',//NO Mean
            dataType: 'json',
            success: function(data, textStatus){
                if (data != 'undefined') {
                        }
            },
            error: function(XMLHttpRequest, textStatus, errorThrown){
            }
        });
});