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Changes to the Jaspersoft community edition download ×

Previous Row Reference


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Hi dennistmh,


I just can think in a servlet containing a variable where you will save the value you want to use later.


I mean, for the first row use the AfterDetailEval method of the servlet to save the value you need in a variable in the servlet (remember the servlet is a class). Then for the next row use the BeforeDetailEval method to put the value in your servlet variable in a parameter in the report, and you've got it.


I'm not a guru in JasperReport and don't know if there is a better way to do this, so I hope this helps.





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Dear Diego,


Really thanks for the solution. Since I am just start to evaluate this reporting tools, my company hasn't buy the menu. Anyway, I can get your idea to solve my problem. However, I really don't know how to do it. Could you / anybody give me a sample of it?


I am really happy that if you or anybody give me some reference link for this reporting tools before I buy the menu.


Thanks a lot,


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