Unable to remove cascading LOV in designer

Hi Experts
I'm Using BOE 3.1
I created cascading Lov's in universe Month-->day and gerated Lov's and now i want to delete the cascading LOV but there is no option to remove cascading Lov;s ,when i check in webi i got an error with database error wis 10901 .
How can i remove caccading lov
Please help me with this ,very urgent
sunil

hi
request to kindly delete the cascading LOV .means the place where you have created .You can pull out of from that arena .Save the universe and export .
Do refereshe the webi and see
thanks

Similar Messages

Apex 3.1.2, unable to use cascaded lovs

Hi all,
am using apex 3.1.2
trying to use cascaded select lists.
but when trying it, am not able to do it.
it was working fine till two days back.
two items,
1) p14_soft
select distinct SOFTWARE display_value, SOFTWARE return_value
from REQUEST_TYPE
order by 1
display as : select list
on changing soft need to populate problem type.
2) p14_prob
select REQUEST display_value, REQUEST return_value
from REQUEST_TYPE
where upper(software) = upper(:P14_SOFT)
order by 1
display as : select list
i cannt use display as : select list with redirect.
do i need to use any java scripts for the same ???
any help..,
regards,
littlefoot
Edited by: Little Foot on Jun 26, 2012 11:00 PM

Welcome to Oracle Forums !
Please acquaint yourself with the FAQs , if you have not done so already.
When posting take care of the following:
<ul>
<li>Post you Apex version</li>
<li>DB edition and version</li>
<li>Webserver beng used</li>
</ul>
Other norms to follow:
a. Never highjack someone else's thread. Start your own if you have a question
b. Mark responses Helpful/ Correct, as the case may be
Responding because this is your first post.
>
I followed the example at the link you've posted here but couldn't make it work for me. I would really appreciate if you could answer the following 2 questions regarding the same example.
(1) In the cursors inside the 2 application processes, I'm not fetching anything that's of type number. In that case, what should I change the following line to:
HTP.prn ('<option value="' || c.empno || '">' || c.ename || '</option>');
From what I understand, the <b>"c.empname" in the above line has to be of type number</b>. However, the table I'm querying doesn't have anything of type number.
>
Not sure why you started thinking that c.empname has to be number. In fact, it is not a number but a string. And so is the attribute value. The value attribute is the return value while the text in the tag, c.ename, is the display value ,
See http://www.w3schools.com/tags/att_option_value.asp
>
(2) Do the cursors in the 2 applications processes have to be the exact same replicas of the definitions of the 2 select lists? That's how it looks like from the example:
Select List 2 Definition:
SELECT ename d, empno r
FROM (SELECT ename, empno, deptno
FROM emp
WHERE empno IN (SELECT mgr
FROM emp))
WHERE deptno = :p119_deptno
Cursor in CASCADING_SELECT_LIST1:
SELECT ename, empno
FROM (SELECT ename, empno, deptno
FROM emp
WHERE empno IN (SELECT mgr
FROM emp))
WHERE deptno = :cascading_selectlist_item_1
>
The example has *3* select lists. The first, top level parent, is defined as a normal LoV on the Page. Only the child and grand child are created through application processes.
The second select list, CASCADING_SELECT_LIST1, is related to the Dept LoV on the page (Top level).
WHERE deptno = :cascading_selectlist_item_1The above line makes the second LoV dependent / child of Dept LoV.
The use of empno and ename in this example occurs twice because and employee and the manager are both in the same table. This is just incidental in the example and must not be construed to mean anything more. The only relevant thing for cascading is
WHERE mgr = :cascading_selectlist_item_2The above makes the 3rd LoV the Child of the 2nd LoV.

Set Cascading LOV Item using Dynamic Action

Hi all,
I have the following page item:
P1_USERNAME
P1_COMPANY (LOV)
P1_DIVISION (LOV)
P1_DEPT (LOV)
Item P1_COMPANY, P1_DIVISION, and P1_DEPT are cascading LOV on my page.
I also have a table that contains the user and his/her company, division, and department.
So I have a dynamic action that when P1_USERNAME is entered. The dynamic action will pull the COMPANY, DIVISION, and DEPT information from the table and populate the page item accordingly.
I got the dynamic action working, I can confirm this by checking the Session State of the items.
BUT I cannot get the LOVs to display the selected value from the session state. They always reset back to "- Please Select -", which is my display value when NULL.
For example:
I have a record like in the table:
Username :alex
Company : Finance Inc.
Division : Admin
Dept : HR
When I entered the username into P1_USERNAME, this is what I see in the screen.
Username :alex
Company : - Please Select -
Division : - Please Select -
Dept : - Please Select -
While the session states of the items have been set correctly as per the record in the database.
Has anyone experienced this before?
I think it's because the parent LOV (company), reset the child LOVs (division and dept), when the dynamic action kicks in.
Thanks.

I've just taken a look at your sample page and don't think this issue is actually too complicated to solve. (Actually, it was I who was mucking around in page 1, sorry for that. I was looking at it and then had to go. Picked it up again later on and just made a copy this time)
You change the employee. The dynamic action fires, executes plsql and sets the values in the company2/division2/dept2 fields
Company 1 is a cascading lov. Empo has changed? Company refreshes. Cascading for division and dept as well.
You can see this happening in sequence as well when looking at the page. Select emp, it'll hang for a second. You then get the select list refresh icons.
The sequence in which this happens is of course a bit wrong. You set the values for the items on the client side first, but then their refresh is kicked in, and so the value setting is simply lost again.
What makes this annoying is how P1_EMPNO is a cascading lov parent of P1_COMPANY. Changing P1_EMPNO will refresh the lovs beneath it. However, you can't simply set their values after you've retrieved the user's company/division/dept, because each lov is dependent on the one above it. Eg you change the employee. The company lov is refreshed. Because the it is refreshed, the division lov will refresh. Now you can set the value of the company lov, but not that of the division one. Why is this? The lov for division requires the value of company in the session state. If you'd set the value for company after it has finished refreshing, it will already be too late for division to pick up the value set. .
I made a copy of your page to page 5, “tom”.
The first I did was removing the cascade from the company lov. You don’t need this. There are simply no parent lovs for this lov, as is evident from the sql for it. The companies always remain the same companies even when you select another person; it is not dependent on another item for its values.
Then the timing issues come in play, and with them there is also the issue of the session state.
So now companies always show. You pick a user, it runs the PLSQL block and put values in the P5_xxx2 items. P5_COMPANY can be set now, and this is in the set value of the dynamic action. By not suppressing the change event, a refresh will be triggered on its cascading lov, P5_DIVISION.
Refreshing P5_DIVISION will only get the new lov values (constrained within the chosen company) for this item though, and not set the value. We already have the values in P5_DIVISION2 however, and thus can use the “After Refresh” dynamic action on P5_DIVISION to do this. In short: company gets set, divisions refresh to show the correct divisions, and then the selected value is set. Again, by not suppressing the change event on this item the depending lov on DEPT will be refreshed.
Then by using another “After Refresh” dynamic action on P5_DEPT we can set the selected value once more.
Also important is that I changed P5_DIVISION to submit P5_COMPANY when it is refreshed, and P5_DIVISION when P5_DEPT is refreshed. This makes sure that the correct set of values is retrieved and probably why you were struggling aswell. After company has changed and division has refreshed, the value on division is set. But the correct divisions are shown only because the chosen company has been set in the session state.
The same for division - dept. After the refresh of division, the chosen value for division is set. This change will trigger the refresh on dept, and because dept has the division in its page items to submit list, the correct values will be retrieved.
Take note that the “debug items” are required in this solution though. Just set them as hidden and unprotect their value. Your goal should be to reduce the amount of roundtrips to the server. Why do a plsql (ajax) call just to retrieve a session state, when the value is already on the page and all in one action? Three hidden items is just so much easier than 3 extra ajax calls, the tradeoff is plenty.
There is one more noteworthy point, and that is the fact that dept is being retrieved twice. That makes sense because of the cascading lovs. Initially company is changed, and this will refresh division and this in turn will trigger a refresh on dept. At this point the lov for dept will be empty, because division will be empty. Because we set the value of division again after it has refreshed, this will trigger a second refresh on dept, though now the correct list of values is retrieved because division has a value set. Not that big an issue, but good to point out. If you’d have another cascading lov beneath dept, it would refresh three times.

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DV, NV, V are an optional component of the ApexLib framework. Actually they don't have anything to do with the framework itself.
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I will probably removed them from the installation instructions or add a big remark that they have to be altered after an upgrade, because this kind of threads are re-occurring after each new released APEX version.
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Patrick
My APEX Blog: http://inside-apex.blogspot.com/
The APEX Builder Plugin: http://builderplugin.oracleapex.info/ New
The ApexLib Framework: http://apexlib.sourceforge.net/

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Hi,
I've been trying to replicate your problem here: [http://apex.oracle.com/pls/otn/f?p=37055:1]
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BEGIN
OWA_UTIL.mime_header ('text/xml', FALSE);
HTP.p('Cache-Control: no-cache');
HTP.p('Pragma: no-cache');
OWA_UTIL.http_header_close;
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<div id="XMLOUTPUT2" style="border:1px solid blue; width:200px; height:200px;"></div>
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How to use a cascading LOV as a Web Services Consumer?
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            return;
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Result
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linked to Enter value for Country of origin
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LOV item 'France' RowIndex=2
LOV item 'Germany' RowIndex=4
LOV item 'Holland' RowIndex=7
LOV item 'Japan' RowIndex=5
LOV item 'UK' RowIndex=3
LOV item 'US' RowIndex=1
--End LOV

Hi,
Refer SAP Note 1278947. You would require a Service Market Place logon to access this article.
Let me know if this helps.
Regards,
Shreyans Surana

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Hi,
How to have a cascading lov for a single column in tabular form
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Edited by: Moh Loay on Aug 24, 2010 2:46 PM

Hi Moh Loay,
I think you have to help me with that one, because I tried to reproduce that on apex.oracle.com and was not able to.
1) I have created page http://apex.oracle.com/pls/apex/f?p=47158:22 which is a cascading LOV on the tables DEPARTMENTS and EMPLOYEES.
2) For Department "Construction" I modified some of the employees to contain arabic and chinese characters
3) I executed above page
4) Changed the department to "Construction" which refreshed the employees select list
5) Opened the Employees select list and everything shows up as I have entered it.
Can you please verify with the above page that it looks good for you as well. Maybe it's an operating system/browser issue?
If the above test case works for you, can you please create a test case with your failing data on apex.oracle.com so that I can have a look what's actually wrong. After you have done that, please provide the workspace, user and password so that I can access your application.
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My Blog: http://www.inside-oracle-apex.com
APEX 4.0 Plug-Ins: http://apex.oracle.com/plugins

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