Code Snippet
var qpr = from Right in this.userli.QianFengDS.PostRights
//类型化数据表 //只找到ToTable().AsEnumerable()方式能实现,但建个表很不爽 post in ((DataView)this.bsEPost.List).ToTable().AsEnumerable()
on Right.PostID equals
post.Field <short>("PostID")
select Right;