Another idea occurs to me though... have you tried using an expression to control ROW visibility?   Just be aware that it won't exclude the values from any totals that might...

SQL is the considerably better spot for it.  If you have a GROUP BY in your query, you would just add a HAVING clause that specifies that all the SUMs...

I'm not sure what the other poster meant either, but I generally try to avoid using SSRS expressions for grouping, and prefer to create the necessary data group values in...

All you need to do is output the input parameter as part of the final SELECT in your stored procedure as a column, and give it a column name.   Variables...

Much simpler query:
SELECT MAX(o.orderid) OVER(PARTITION BY o.custid ORDER BY o.orderid) AS LastOrderId,
    o.custid
FROM Sales.Orders AS o

Based on what I've read so far, it sounds like the execution context has actually changed, and it may have been one of those things someone did but is not...