Display child links in parent form

Posted on 2003-11-18
Last Modified: 2013-12-18
I have a form that has responses. When the user views the
parent document from a view I want them to see links to all
the response documents that belong to the parent. how can this be done?
Question by:apparition
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LVL 31

Expert Comment

ID: 9771324
Set up the view s it displays response hierarchy (a view property), add a column of type "response column," and add | @AllChildren to the view selection.
LVL 31

Expert Comment

ID: 9771339
(Use | @AllDescendants instead of | @AllChildren if there are multiple levels of children you wish to display.)

Author Comment

ID: 9771349
I can already see the document hierachy in the view. I want to see
the child links when the user actually clicks to view the document.
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LVL 31

Accepted Solution

qwaletee earned 35 total points
ID: 9771363
Now, reading your question, it is a little unclear whether you meant you wanted to display all the chidren in the view, or if tyou wanted links on the parent form itself.  (The confusing thing is you mention "parent form" in the title, but start with "views the parent document from the view").

To show al immediate children directly on theform:

1) Build a hidden view named (ByParent)

2) make the view NOT show response hierarchy

3) Column 1 is categorized, formula @Text($Ref)

4) Save the new view

5) Open the parent form in designer

6) Choose Create -> Embedded Element -> View

7) Select the new view, click OK

8) In the code pane at the bottom, click on the Show Single Category section for the embedded view

9) Type formula @Text(@DocumentUniqueID)

Author Comment

ID: 9772137
Getting a category not found error
LVL 31

Expert Comment

ID: 9773115
That woudl occur for any parents that have no children (is that an oxymoron?).  To get around this, we'll code a check to see if there are any documents with the crrect key.  if there are none, display no view.  If there are any, display the view.

NB: Step 3a should have been "add at least a second column to teh new view; this will be what displays to the user for each child, on the parent form."

Change the view from a fixed name to a formula.  the formula should be:
check := @DbLookup("":"NoCache"; ""; "(ByParent)"; @Text(@DocumentUniqueID); 1);
@If(@IsError(check); NOTHING_TO_DISPLAY; "(ByParent)")

Note: the above formula is to calculate which view is selected.  The formula from the earlier post is for which category to display.  View select and Show single category are separate things.

Expert Comment

ID: 9773750
I think I know why this might be happening......the children are not realy children
they are just older versions of the form would this have something to do with it?
LVL 31

Expert Comment

ID: 9776924
Yes, it would.  You need to have some sort of key value tieing the documents together, categorize on that key, and use that key as the show-single-category.  In th case of parent/child, the key is tehparent unique ID, which is obtainable atthe parent as @Text(@DocumentUniqueID) - hence teh single category... and in teh children as @Text($Ref), hence the view categorized column.

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