I am just joined the Birt reporting tool, one of the most popular reporting tools in java , and open source too,
using the help I could developed the report and deployed it on the web and Export it to PDF and EXCEL in easy way and few steps .
the problems come when I want to change the orientation from portrait to landscape
I had search alot , I think that my BIRT version wasn't new enough , it only support from the IDE to make the view Fixed layout or Auto Layout
then
HOW TO SOLVE IT :