Useful notes about syntax

in-line if: ( parameter/field == “xxx” ? …. : ….) !=, == NULL is written in in-line if as “null” with ” if you have null string and use it in quotes, you will get string ‘null’ or...

Jasperreports – small tutorial

Graphs + Groups: proper order of records returned by main data set is the most important thing for proper functionality of groups. Especially if you have nested groups. If you want to display graphs based on grouped values you need to place graph into...

Set home page

http://community.jaspersoft.com/documentation/jasperreports-server-ultimate-guide/v561/setting-home-page in “/opt/jasperreports-server-……/apache-tomcat/webapps/jasperserver/WEB-INF/jasperserver-servlet.xml” bean id=”homePageByRole”...

Change from JDBC to JNDI data sources

In older versions of Jasper reports default data source type was JDBC. But Jasper 5 and higher recommends JNDI and if you use for reports some database functions which write into tables during their run you will find that they are failing with old JDBC connections....