I know it is correct or not am asking in this category,but please guide me for my task.
I have created surname,first name,Last name in profiles.my task is create surname selection list.when user clicks on that list box it will appear according to that surname.Means i created like this:
surname:textbox
firstname:text box
Lastname:textbox
when user submits the data,in one page surname name text should add to the surname selection list,and if user clicks on that representing firstname and last name shold be appear.

Mean while i want to categorize into families with surname.and i want to group all families with surname.

Please guide me to my mail: thirupathi.vemula@gmail.com