[jasperreports-questions] subdatasource using JavaBean collection

I want to use a crosstab, so need ot use subdatasource, and I want to use javabean collection as datasource, is there any way to pass parameter to the javabean collection datasource in Java? - Using Tomcat but need to do more?

[jasperreports-questions] Variables in iReport

I can create a variable, for example, $V{PAGES}, but this variable always is 0 or null. Besides, somebody can use variable $V{PAGE_NUMBER} to show the column footer in the last page? Bye, Leandro - Using Tomcat but need