HTMLDB_collections

Question

I have created a test application on apex.oracle.com:-
http://apex.oracle.com/pls/otn/f?p=20915:1
On page 1: I have the below process:- ON-Load before header
begin
if htmldb_collection.collection_exists(p_collection_name=>'test') then
htmldb_collection.delete_collection(p_collection_name=>'test');
end if;
HTMLDB_COLLECTION.CREATE_COLLECTION(p_collection_name => 'test');
HTMLDB_COLLECTION.ADD_MEMBER(
p_collection_name => 'test',
p_c001 => 'Test1',
p_c002 => 'Test1',
p_c003 => 'Test1',
p_c004 => 'Test1',
p_c005 => 'Test1',
p_c006 => 'Test1',
p_c007 => 'Test1',
p_c008 => 'Test1',
p_c009 => 'Test1',
p_c010 => 'Test1',
p_c011 => 'Test1',
p_c012 => 'Test1',
p_c013 => 'Test1',
p_c014 => 'Test1',
p_c015 => 'Test1');
end;
On page 2:- I have the below on-load before header process.
declare
l_count number;
begin
HTMLDB_COLLECTION.UPDATE_MEMBER(
p_collection_name => 'test',
p_seq => 1,
p_c001 => :P2_TEST_COLLECTION_COUNT,
p_c002 => 'Test1',
p_c003 => 'Test1',
p_c004 => 'Test1',
p_c005 => 'Test1',
p_c006 => 'Test1',
p_c007 => 'Test1',
p_c008 => 'Test1',
p_c009 => 'Test1',
p_c010 => 'Test1',
p_c011 => 'Test1',
p_c012 => 'Test1',
p_c013 => 'Test1',
p_c014 => 'Test1',
p_c015 => 'Test1');
l_count := HTMLDB_COLLECTION.COLLECTION_MEMBER_COUNT (
p_collection_name => 'test' );
end;
I don't know what is wrong with the code, but i am getting the below error:-
ORA-20102: Application collection test does not exist
     Error      
OK      
Please help!!!

Answer 1

Hi,
That's because your link does not pass across the session ID to page 2. A collection is user-session specific, so page 2 does not know that the collection exists as it is in a different session.
Change your link to:
<a href="f?p=&APP_ID.:2:&SESSION.::P2_TEST_COLLECTION_COUNT:10">Go to page 2</a>Andy