I have data from my dataset appearing in the Query Designer when I execute the query.

The Query Designer asks for parameter, I fill them in and I get data returned. It's a simple SQL query against one view; no joins.

So, the next step is to place a table on the report page to summarise the data, and I get nothing, nada, zip, zilch, zero. I've tried using a matrix and just placing

What am I forgetting...