In my application I have a part of form which should allow details of a n number of persons. i.e, Field1 Field2 field3 now a button Details of persons on button click it open a modal dialog box containg a form with 3 fields about person.When I click save. the details of persons sections should update...This should repeat on every button click.. I also need validations for fields on modal dialog box. Th data entered for field1,2,3 should remain same during the process.. How to do this in struts2.I am facing a lot of problems can some one help me with a simple example.. Regards, Lalitha One more problem is to have a date picker on modal dialog box..