Hi Gagan,
Thanks for using Syncfusion products.
The Pager bar is just to navigate from one page to another. You can add this on to the page in the Design time itself or you can add this through code. This won't require any additional settings. Please refer the video clip from the below link, that shows how it works here:
http://www.syncfusion.com/support/user/uploads/pagerbarissue_779ba5c.zipPlease refer the below link to get more details on this:
http://www2.syncfusion.com/ug_61/gridweb/default.htmlPlease let me know if you have any other concerns.
Regards,
Raji