How to filter a DataTable by values not contained in an array?

Question

If I have a DataTable userwidget, which has the following columns:

process_id, emp_num, widget_color

How to filter this DataTable using LINQ according to the following conditions:

---

1- WHERE emp_num = ...

2- AND process_id NOT IN (process)//process is an array of intgers

Answer 1

var filtered = (from row in tbl.AsEnumerable()
               where row.Field<int>("emp_num")==yourNum
               && !process.Contains(row.Field<int>("process_id"))
               select row).CopyToDataTable();