To design Charts using iReport follow the steps--
1-Open iReport and go to report palatte and Drag charts to Detail band.
2- Select the charts from open window shown below.
3- And click on 3d bar chart. and click on finish button.
4- Right click on chart and click on chart data and fill the chart data as shown in figure.
5- Now press ok and click on preview if your iReport is connected to any database.
