$('#charge_table').DataTable({
    "paginate": false,
    "searching": true,
    "ordering": true,
    "info": false,
    "dom": 'Bfrtip',
    buttons: [
        'excelHtml5',
        'csvHtml5',
    ]
});

$('#table_datatables').DataTable({
    "paginate": false,
    "searching": true,
    "ordering": true,
    "info": false,
    "dom": 'Bfrtip',
    buttons: [
        'excelHtml5',
        'csvHtml5',
    ]
});