从DataTable中删除存在于另一个DataTable中的重复条目？

You'd think that it would be simple, isn't there something simple to do this? All I want to do is to remove some duplicate rows. I can obviously save off the PK into a separate list and iterate through that to delete the rows, and may be what I end up doing. It just seems like I'm missing some obvious solution here.You'd think that it would be simple, isn't ther