sharepoint2010的列表多余2级分组方法
OB的来说SharePoint Data View 只支持两级分组,如果您需要多级分组的话,可以利用SharePoint Designer创建一个XSL Data View:
下面是我帮你找的一篇具体操作的博客:
SharePoint: Group By on more than 2 columns in a view (SP 2010)
http://techtrainingnotes.blogspot.com/2011/01/sharepoint-group-by-on-more-than-2.html