جرب هذا الكود !!!
Private Sub txtEmpNumber_AfterUpdate()
Me.txtFullNameAR = DLookup("[FullNameAR]", "qryPersons", "[txtEmployeeNumber]=" & Me.txtEmpNumber & "")
Me.txtFullNameEN = DLookup("[FullNameEN]", "qryPersons", "[txtEmployeeNumber]=" & Me.txtEmpNumber & "")
Me.txtintUser!D = DLookup("[txtAutoIntPersonID]", "qryPersons", "[txtEmployeeNumber]=" & Me.txtEmpNumber & "")
End Sub