Relation two field from one form to another form to update for data entry

[Kal_Lam]

Kindly please be informed that the feature you seeking is currently not available with KoBoToolbox. Maybe you could use the pulldata function as outlined in our support article Pull Data Functionality in KoBoToolbox.

As a backup you could also have a look at the post discussed previously that has a workaround on how the pulldata function is used:

Please help me with the pull data function

I simply changed your HH_ID code from from UR-CG101/01 to UR-CG101_01 in the csv file HouseholdID and it works. [image] Reference xlsform: pulldatafunction.xlsx (9.8 KB) Edited csv file: HouseholdID.csv (3.2 KB)

This post should also be helpful:

Trying to build a form that will use pulldata() function to verify barcode ID

Hi @henryakuete, Please see the images below to build a survey form that uses barcode as question type to pull data from the csv file. You could practice this by replacing the barcode (Code) of the csv file with the ones that you have from any of your books (this is the one that i had them with me). Just wanted to show you a demo that if you have a barcode number, you could manage them in your csv file and use the pull data function to get the desired information during your survey. Image 1 (i…