How to put limit in data request via ajax

jemz

Hi,,I am still new for this dataTables,.I need some help please I am using Server-side processing,my problem is that what parameter I should put in my ajax to send limit for my query ?.so that i can limit 15 records every request.

here is my ajax.

    $(document).ready(function() {
            $('#example').dataTable( {
                serverSide: true,
                "ajax": "querydata.php",
                "columns": [
                    { "data": "id" },
                    { "data": "username" },
                    { "data": "lastname" }

                ]
            } );
        } );

I appreciate more inputs.

Thank you in advance.

jemz

Hi I solved it now,Thank you guys!

jemz

by the way I read in the manual about the parameter Draw ?but i could not understand the usage of it,can you enlighten me on this please.

Thank you in advance.