I am writing a list in Cognos Report Studio 10.2 and am fairly new with it. The list has are over 10 columns where the user can select which columns they want to display in the report. That is currently working fine with render variables and static choices. I now need to add a column that will give a count of the number of ID’s per group. I created a data item and used count(distinct[ID]) and it is producing the correct totals, but it is grouping by all the columns not just on the columns that are being displayed. How do I group the columns that are being displayed correctly?
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