Search and select in odk xls form

Dear All,

Please help me regarding one thing i have a xls form which i run through formhub i want to make a search option in my xls form so that when i person select the option in pop listing listed on route after that a search bar will appear and he/she will write the POP code in it so that after forwarding the form only that POP will appear for which he wrote the code, as it is very difficult to see thousands of POP CODES in POP list.

Kindly help me out regarding this issue, i have also attached the xls form please make edit in it & reupload.


POP LISTING.xlsx (37.1 KB)