如果first和lastname在同一个字段数据表中，则按姓氏排序

I have a very simple datatable setup with a few fields and a few rows of data. Column sorting has been set. I have a field which is basically "customer name" and in it goes both the first name and last. I want to know if there is a way to change the datatables sorting method to sort based on the surname (or last word) in the same column.I have a very simple datatable setup with a few