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Editorial Team
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Asked: 2026-05-12T10:00:10+00:00

This is in SSRS 2008. I’ve created a report with a tablix, embedded in

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This is in SSRS 2008.
I’ve created a report with a tablix, embedded in the tablix there is a subreport. This subreport contains a lot of information (and I mean a lot – it takes more than 45 sec to load it).

I don’t want to show it, or to be more precise – to process/load the data when the report initially runs. Note that I dont want to just not display it – because then all the data is still processed at initial load time.
Instead, I only want the subreport to be processed (and the data pulled down), individually, when I display it (e.g. clicking a + sign to toggle it, or any other option such as clicking an image/ link, while staying in the same report). I also don’t want to open the subreport in a different tab or something like that….

Does anyone know a solution? Maybe there is an onLoad method, dynamic subreport or something like that?
I tried looking into the DataElementOutput attribute, but that’s readOnly… anything else?

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1 Answer

  1. Editorial Team

    So, as it turns out, the problem was in fact because I had the subreport repeated for each row in the parent report. Thus, the subreport was called numerous times…
    And according to MS, there is no way to dynamically process individual subreports. Had to solve this issue by splitting out the subreport (at least the data-heavy parts) to a seperate page. 🙁

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