How to control Show/Hide fields at Runtime in Orbeon Form Runner?

I have created a form in orbeon form builder which has three 30 questions which are belongs to 3 categories. Now I don't want to show all the 30 questions to every one also I don't want to create different forms for each category because all these categories belongs to one module.

While adding the form I have a drop down question like "Select Category". If user select the first category then I need to display only first category related questions and hide the second and third category related questions.

Is there any way to achieve my task in Form Runner?

I am pretty new to orbeon myself.
This is what I have figured so far, controlling visibilty of fields, thus creating a conditional dialogue.
In the formular field add the desired boolean xpath expression

# Standard 1 Condition
$controler-name='selected-value'
i.e.
$hardware-type='printer'

chain more conditions wich have to be meet, before a field is shown

# Condition Chain or () and ()
($controler-nameA='seceted-value1') or ($controler-nameA='seceted-value2') or ($controler-nameA='seceted-value3') and ($controler-nameB='seceted-value1')
i.e.
($printer='notreachable') or ($printer='paperjam') or ($printer='tonerempty') and ($hardware-type='printer')

# Show field if anyone of the conditions are meet
xxf:split($controler-name) = 'selected-value1' or  xxf:split($controler-name) = 'selected-value2'

xxf:split($affected-software) = 'word' or xxf:split($affected-software) = 'outlook' or xxf:split($affected-software) = 'excel' or xxf:split($affected-software) = 'all'

Regards,

MoBIoS

Hi Manju,

If you want to hide a condition upon some condition, you can do so by,
in Form Builder, clicking on the "gear icon" to the right of the
section title, and entering an XPath expression under Visibility. As
mentioned by Oliver, the XPath expression can use the value of another
field, e.g. in your case $category = 'gaga', if you only want that
section to be visible if the value from the "category" dropdown is
"gaga".

Alex

On Mon, May 4, 2015 at 7:00 AM, Rahul <[hidden email]> wrote:
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I have followed your suggestion, I tried testing this feature on default
"contacts" form. I have created a new text field in the contact form named
"Account Related Field" as a label and "control-10" as Control Name. Below
is the screen shot for the same.

<http://discuss.orbeon.com/file/n4659878/pic1.jpg>

Then After that I clicked on control setting of the "Account Related Field"
and under the "Formulas" tab I have added the following Xpath expression in
"Visibility" section. $topic='Account' following is the screenshot.

<http://discuss.orbeon.com/file/n4659878/pic2.jpg>


After adding the path expression I saved the contact form and published.
Then I tried opening the form in form runner. But I am not able to view the
"Account Related Field" field on UI after selecting the "topic" value is
"Account" in the form runner. This is the screenshot of form runner after
publishing form in form builder.

<http://discuss.orbeon.com/file/n4659878/pic3.jpg>

Did I miss something. Please help to resolve the issue. I need to view
"Account Related Field" field only if "topic" field value is "Account"

Thanks in advance.

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Thank you. It worked for me.

Hi Manju,

OK, good, I'm glad you got this to work.

Alex

On Wed, May 6, 2015 at 9:59 PM, Rahul <[hidden email]> wrote:
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