How to: Enable Default Paging in the GridView Web Server Control
https://msdn.microsoft.com/en-us/library/y71xk4a7(v=vs.100).aspx
To enable paging in the Properties window
Select the GridView control, and in the Properties window, set AllowPaging property to true.
gridview in webform
原文地址：http://www.cnblogs.com/chucklu/p/7975700.html