Use constraint=". = ${age}"
···
From: opendatakit@googlegroups.com [mailto:opendatakit@googlegroups.com] On
Behalf Of Bashir Jahed
Sent: 15 January 2014 08:25 AM
To: opendatakit@googlegroups.com
Subject: [ODK Community] Re: Constraining a response to a previous answer
Hi Mitch
I want to be able to verify a respondents age by first askin them and
inserting it as an integer then the respondent is asked for his age at a
later stage again using a drop down list.
I want to be able to verify that the age entered as an integer and the age
selected from the drop down is the same, if not then it must be corrected
before continuing.
The method is used in the previous email does not work, no matter what is
entered even if correct doen not allow the survey to continue
Thanks
Bash
On Tuesday, January 14, 2014, Mitch Sundt wrote:
What was your problem / question?
On Mon, Jan 13, 2014 at 1:30 AM, Bashir Jahed <admin@osilab.net <javascript:_e(%7b%7d,%20'cvml',%20'admin@osilab.net');> > wrote:
Hi All
I ahve a set of questions that I need some help with, the first question ask
for an age, the next one then asks to verify the age using a drop down box.
I need to be able to constrain the response to verify that the respondent
has selected the same age as he stated in the fisrt question.
I have used the following:
constraint=". = number('$age')"
The age choices:
list name
name
label
age
16
16
age
17
17
age
18
18
age
19
19
age
20
20
age
21
21
age
22
22
age
23
23
age
24
24
age
25
25
age
26
26
age
27
27
age
28
28
age
29
29
age
30
30
age
31
31
age
32
32
age
33
33
age
34
34
age
35
35
age
36
36
age
37
37
age
38
38
age
39
39
age
40
40
age
41
41
age
42
42
age
43
43
age
44
44
age
45
45
age
46
46
age
47
47
age
48
48
age
49
49
age
50
50
age
51
51
age
52
52
age
53
53
age
54
54
age
55
55
age
56
56
age
57
57
age
58
58
age
59
59
age
60
60
age
61
61
age
62
62
age
63
63
age
64
64
age
65
65
--
Bashir Jahed - Director
The OSi LAB (PTY) Ltd
www.osilab.net | 083 414 0453 | bashir@osilab.net
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