Validation constraint

[Kal_Lam]

@aristidey, this post discussed previously should help you solve your issue:

Number entry control (males and females by age group should not exceed the total family member)

Welcome back to the community, @bkgwadi! You could do this as outlined in the image shared below: In the survey tab of your XLSForm: [image] Reference XLSForm: Total_Control.xlsx (11.1 KB)