datatable reorder of element

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DataTable

emp datatable

datatable emp;

ID   name
1    john
2    david
3    kerry
4    trott
5    steve

I want the result from above datatable in the order as

ID   Name
4    trott
1    john
5    steve

When I used emp.select("ID in(4,1,5)"), records are sorted in desc but I want
order mentioned above i.e. 4,1,5

Can anyone share there though on this