Yes I tried just that but all that does is give me a list of employees who have attended the parameter selected course.
I did try adding in the criteria of:
{Table B.Course Name} = {@Parameter} and
Isnull({Table B.Employee_Number})
But this didn't work either as it returned no results.
Hope someone can help me with this. I use Crystal 10 on an SQL database. I have 2 tables - one shows all staff and the other shows a record for each course staff have attended. Each table has Employee_Number as a link.
I need to show a list of all staff that have NOT been on a particular course...
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