Listbox to textfield

Getting Started
1

I have a listbox that contains information how do I transfer this information to the respective textfield Ex.: in the listbox I have the name, address and telephone how do I transfer this information to another window in their respective box like name, address and phone

2

Assign the Cell (with CellTextAt) to the corresponding TextField.

3

Why do you put these information there ? (in the ListBox)