How we can mark validation in form that if the required data in not exist in uploaded file then the warning should appear to provide proper data?

[Kal_Lam]

@dipendra, as a workaround maybe you could do it as outlined in the post discussed previously:

How can one add a condition to a 'Pulldata' in xls such that what is pulled is not empty

@chiabotu, maybe you could manipulate and design your xlsform as discussed previously: Or you could also add a constraint in the question that takes the code which matches the pulldata function as shown in the image shared below: In the survey tab of your XLSForm: [image] CSV File: [image] Data entry screen as seen in Enketo: when a correct entry is made [image] Data entry screen as seen in Enketo: when a wrong entry is made [image] Reference xlsform: Pull Data (Constraint).xls (33.5…