Quote Originally Posted by cfd33 View Post
Would I use something on the lines of : INSERT SUM(HoursWorked) FROM EVENT INTO ? WHERE FDID =
That was what I was referring to... we are not familiar with architecture (relevant tables and how they are related, primary keys, etc) nor the data involved (what are the values of FDID? you didn't provide sample data).

Corollary, the issue you cited in post #1 is listview data related but you didn't provide existing query used to fill listview. How are we to improve something we don't understand (again, we don't know the query, tables, etc involved as we can't see what you see on your monitor)?

dee-u's post is the most informative answer you'll get based on what you provided.