We will discuss a way to use a4j:repeat to create a tabular structure on a JSF page, where each row can be further expanded via Ajax. I am assuming that you have Ajax4JSF installed in your web application. If not, refer this link to install Ajax4JSF in your web application.
This is the requirement. User selects a state from the dropdown, and based on the selected state we need to create a table that list all the zip codes in the state. User can then click the zip code, which will expand the row and paint all the subscribers from that zip code. Since the size of data is going to be huge, we decided to load the content via ajax
format, but not enough time and budget to buy and integrate components to create full fledged 
binaries? Here is an easy way to create well formatted good looking