[jasperreports-questions] problems with NULL and BLANK objects

Dear Members i work with jasperreport and ireport i have the next situation, the only way to explain this is with pics the case is that a customer can buy many motorcycles 1 to 4 and 0..N motorcycles parts in the same buy the sql query is a union of 2 select like (SELECT)UNION(SELECT)

[jasperreports-questions] How i can control the value Field to print a desired value for a Variable with jasperreport?

Hello guys i have a jrxml with a db query and works fine, in my fields retrieved by the query appear a field call for instance moneychange it would be 1 or #.## my problem that i want to resolve is that the Variable prints value Dolar when moneychange has 1 how value and value Euro when

[jasperreports-questions] jasperreport works in linux but not in windows

hello guys i am really confused in this case i have a project that use jasperreprots to generate pdf reports, so when my server work in linux, in the itself server and any other client (windows in this case) , can see a pdf docuemnt well created now when the same .war is copy to windows (now