Copy Data from Search results to another items from block in Oracle Forms Builder

Okay, I'm not sure if I can explain this well.

This is what it looks like at runtime:

The list of display items from above are the data that came from database query. I put a 'When mouse click' trigger to every row so that when I click a row, it copies all the data to the field below. It works when I first try to click a row but when I click another row which supposed to change the data below, NOTHING HAPPENS anymore.

here is my canvas' variable names:

here is what's inside of the 'When mouse click' trigger:

thank you for the help!