Validate a date question with a select one question

[Kal_Lam]

Welcome to the community, @Bushra! You could do it as outlined in the image shared below:

In the survey tab of your XLSForm:

In the choices tab of your XLSForm:

Data entry screen as seen in Enketo: when the date is within the range

Data entry screen as seen in Enketo: when the date is outside the range

Reference XLSForm:

Constraint.xlsx (12.3 KB)