@K.Ramana Reddy: The link doesn't help me anything.
Design form and take data from Sharepoint list,... I have done them.
@uma: I had read that article before I posted this topic.
In my sharepoint site, I have a customer list which has 150 records (or entries). In its default view, I set an limitation of items is 50. So I have 3 pages in default view.
In Infopath, if you populate an listbox by data you take from customername field in customer list (through secondary data connection), you just see 50 but 150. I want to see 150.
In the article which uma posting its link, the author show how to retrieve data from form library but sharepoint list.