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Editorial Team
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Asked: 2026-06-15T01:05:05+00:00

I wish to export my queried result to excel or csv. I usually use

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I wish to export my queried result to excel or csv.
I usually use function in display tag to export to csv,
but this time…
The problem is that records will be over 20,000 so I do not want to display the result, but just to provide excel file.

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1 Answer

  1. Editorial Team

    Use a servlet, write the data in CSV (or Excel) format to the response output stream, and make sure to set the appropriate content-type on the response and to set the following header:

    response.setHeader("Content-disposition",
                   "attachment; filename=someFile.csv");

    There are lots of libraries to generate CSV or Excel from Java.

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