I know this is an old post but I was looking for how to do the same, and this was a top result on google, so here is the simple answer for others.
just use Container.DataItem
原文讨论:How to bind a GridView to a List<string>
来源:https://www.cnblogs.com/stu-acer/archive/2009/03/23/1419582.html
https://www.cnblogs.com/stu-acer/archive/2009/03/23/1419582.html