Change the default number of rows to display on one “page”

Question

How can I specify the number of rows to display on a single \"page\" when using DataTables\'s pagination feature?

Answer 1

for 10 records

$('#datatable').DataTable({"pageLength": 10});

for 50 records

$('#datatable').DataTable({"pageLength": 50});

for all records

$('#datatable').DataTable({"pageLength": -1});