Links created manually on a tree with the Protection of the active Session State

Friends,

I met a problem and hope you can help me with.

I created a tree using the method described in a book great John & Scott, 'Pro Express Application'. Here is an example of a link stored in my table:


access a page, passing it parameters

f? p = & APP_ID.:3: & SESSION.: P3_IDENTIFIER, P3_FAMILY_NAME: & P2_IDENTIFIER, & P2_FAMILY_NAME.


When the page is executed that it works as expected. I can expand the tree and go to the page, passing it the parameters if necessary.

However when I turned on the protection of session state these links "handmade" has stopped working. (What I expected because it contains no checksum!).

After some research, I see that I must use APEX_UTIL. PREPARE_URL to generate the URL with a checksum. But that's where I met problems. I can't be able to pass parameter values to the calling page.

The original tree query was:

Select "IDENTIFIER" id,
"PARENT_IDENTIFIER" the nest,
Name of "TITLE."
Link "LINK."
null a1,
null A2
a < table >

Then, I changed the option to use APEX_UTIL. PREPARE_URL:

....
APEX_UTIL. Link PREPARE_URL (Link),
....

But clicking on the link just gave me a blank page. I then hardcoded just the url in the select statement:

....
APEX_UTIL. PREPARE_URL ('f? p ='|: APP_ID |) » : 3 :'|| : APP_SESSION |': P3_IDENTIFIER, P3_FAMILY_NAME: & P2_IDENTIFIER, & P2_FAMILY_NAME. ") link.
...

and it works, the page is called, and I can see the values of the parameters passed. But I can't use this method because it is limited to a page!

Finally, I tried to store the parameter values, the parameters and the page number in different columns of the table that the tree came and then bring together them:

...
APEX_UTIL. PREPARE_URL ('f? p ='|: APP_ID |': ' | navigate_to_page |': ' |: APP_SESSION |': ' | parameter |': ' | parameter_values link).
...

Go to page set: 3
parameters a value: P3_IDENTIFIER, P3_FAMILY_NAME
parameter_values has the values of: & P2_IDENTIFIER, & P2_FAMILY_NAME.

He now calls the page, but the values of the parameters have become literals. so, where I would expect an identifier I see & P2_IDENTIFIER Idem for family name.

What I am doing wrong? How can I pass values to my page called using apex_util_prepare_url?

If necessary, the details of my environment are: Apex 3.2.1 Oracle Application Server 10.1.2.3. Database Oracle 10.2.0.3

Thanks in advance for any help you may be able to provide.

Hello

& NAME. the rating is not available in SQL, you must either use: NAME or v ('NAME') or nv ('NAME') (for numbers). One of these must be concatenated in your SQL statement in the same way that you did for: APP_ID etc.

Andy

Tags: Database

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