Sank,
You may want to create a new thread for this question as it is a bit different than the main question on this page.
I don't know how to do what you are being asked to do with reporting services. Will the client only ever want the first 20 or last 20 pages? What determined what is first and what is last? Is there a way of summarizing the data that reduces the # of pages yet still provides the necessary information? Honestly, I can't really imagine a case where a 100 page report is useful so I'm of the opinion that the client needs to rethink what they really want and need in this case.
Jack Corbett
Consultant - Straight Path Solutions
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