dataTables lengthMenu
//datatable customization
//#datatable will be replace with your table id or class following jqurey code formet
$('#datatable').dataTable({
"lengthChange": true,
"dom": '<"top"i>rt<"bottom"flp><"clear">',
"lengthMenu": [[10,25, 50, 100, 500, 1000],[10,25, 50, 100, 500, "Max"]],
"pageLength": 10,
});
//dom is for changing position of the selecting lentgh menu field
//lengthmenu is for defining ranges
//pagelenth is the values or entity that will be shown at the time of load #firstview