Empty table problems in JasperReports

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Java

Hello everyone,

I'm trying to build a invoice in JasperReports using iReport 4.0. This invoice contains a table with all the invoiceitems in de details section of the report. Using the wizzard that pops up I select a datasource, a query, the lay-out of the table and so on. When it's finished I see the table (in the designer) with the correct fieldnames, but when I go to the Preview tab of iReport or try to build the report in Java code the table/details section is empty. I know for certain that the datasource in the code is working (I tested it before with an other report).

Can somebody help me or send met a link to a website with a good tutorial or explanation? I'm Googeling and trying things for 2 days now and the deadline is comming up.

Thanks in advance.

Greetings,

AschB

The Netherlands