pageLinksCount

Represents the number of rendered link buttons. The default value is 5:

$(document).ready(function () {
    $("#grid").shieldGrid({
        dataSource: {
            data: gridData                 
        },
        paging: {
            pageSize: 12,
            pageLinksCount: 10
        },
        columns: [                
        { field: "id", width: "70px", title: "ID" },
        { field: "name", title: "Person Name"},
        { field: "company", title: "Company Name"},
        { field: "email", title:"Email Address", width: "270px"}
        ]
    });
});       

Live demo of pager’s page links count you can find here: Pager’s Page Links Count