how can i make list of id by click on rows in gridview devexpress

Question

Hello 

i wanna make aList of ID from click on gridview devexpress row or cell 
when i click save button 
it's make forEach on This List and give me Alist Of item 

for Example =>.. 

i want to click on this X button get me id of this row from dataBase and add it to Alist of IDS 

how i can make it please ?!