AspNetPager is a free custom paging control for ASP.NET web form application. It's one of the most popular third party ASP.NET controls used by chinese ASP.NET developers. AspNetPager was first published in 2003 and had been steadily improved and updated since then.
Project home page: http://en.webdiyer.com/aspnetpager/
Online demos: http://en.webdiyer.com/aspnetpager/demos/basic.aspx
Online documentation: http://en.webdiyer.com/aspnetpager/docs/