Limiting number of selectable multi-checkbox items

I have a report with a multi-select dropdown parameter returning ~100 projects. Is there a way to allow a given number of items to be selected out of an entire list? i.e. Only 10 out of 100?
Thanks

Use a custom code as specified in the below link,
http://karlberan.wordpress.com/2010/03/19/limit-number-of-multi-select-parameters-in-ssrs-%e2%80%93-custom-code/
Regards, RSingh

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Hi all,
I'm using Oracle Forms 10g and i want to make a multi selection
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Hello,
Go to the OTN Forms page then download the Forms demos. They contain a multi-select demo.
Francois

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http://blogs.msdn.com/solutions

Checkbox Item: character string buffer too small (APEX 4.0. - 4.2.)

Hi all,
I'm currently running the Oracle Application Express 4.0.2 on the Oracle DB 11g and thinking about the APEX upgrading to current 4.2. version. We have there quite big application used by the inernal employees so prior I need to test, if the migration will work.
I installed the new server with database and the APEX 4.2. and import the current application. Everything seems to working good except few checkboxes, which returns me the error: "ORA-06502: PL/SQL: numeric or value error: character string buffer too small."
LOV (Source) Code of Checkbox Item:
SELECT email as display_value, id as return_value
FROM users
WHERE <some conditions>;
In the current version 4.0.2. I get the checkbox item (total count of the rows approx. 650), but in the 4.2. I get this "string buffer too small" error and the page could not be rendered (if I add to the same query limitation: "rownum<242" it will display the item).
Could you please help me with this issue? Any idea, what I should set up in the new APEX to get the same results or you see there any limitation, why it does not work in the new version, but in the old version the same SQL works fine?
Thank you all in advance.
Regards,
Tomas.

1007462 wrote:
Hi all,Welcome to the forum: please read the FAQ and forum sticky threads (if you haven't done so already), and update your forum profile with a real handle instead of "1007462".
I'm currently running the Oracle Application Express 4.0.2 on the Oracle DB 11g and thinking about the APEX upgrading to current 4.2. version. We have there quite big application used by the inernal employees so prior I need to test, if the migration will work.
I installed the new server with database and the APEX 4.2. and import the current application. Everything seems to working good except few checkboxes, which returns me the error: "ORA-06502: PL/SQL: numeric or value error: character string buffer too small."
LOV (Source) Code of Checkbox Item:
SELECT email as display_value, id as return_value
FROM users
WHERE <some conditions>;
In the current version 4.0.2. I get the checkbox item (total count of the rows approx. 650), but in the 4.2. I get this "string buffer too small" error and the page could not be rendered (if I add to the same query limitation: "rownum<242" it will display the item).
Could you please help me with this issue? Any idea, what I should set up in the new APEX to get the same results or you see there any limitation, why it does not work in the new version, but in the old version the same SQL works fine?The total size of the HTML generated for an LOV-based item in APEX is restricted to 32K (this limit applies to every version). Why you are hitting this limit in the new instance may be due to differences in data or the database configuration (e.g. character set) rather than changes introduced in APEX.
Is the data exactly the same? Is the database configuration the same? When you limit the number of rows so the checkboxes are displayed and view the page source, is there any difference in the HTML used to render the checkbox form elements between the two versions?
That said, from a usability perspective 650 LOV options is rather a lot, and your application may very well outgrow this limit naturally in any version of APEX as more users as added. It is probably worthwhile thinking about other ways to display these options.

Enhancement request: Checkbox item - Default all checked

When a page item with a display type of Checkbox is used in the WHERE clause of a report region (to show rows only if the corresponding checkbox is checked using the INSTR(item_name,column_name)>0 technique), it is frequently useful to render the page for the first time with all checkboxes checked.
The only way I found to render a checkbox item with all values checked is to specify its "Source" attribute as a PL/SQL function body with
declare
l_retval varchar2(4000);
begin
for rec in (select d,r from <lov_query>) loop
l_retval := l_retval || ':' || rec.r;
end loop;
return ltrim(l_retval,':');
end;I don't like this solution because the LOV query is specified twice on the item properties page (in the LOV section and in this Source attribute). You need to remember to change it in both places.
I think Apex should have a easier method to declaratively specify that checkbox-based items should be initially rendered with all values checked.
Thanks

Hello Vikas,
Why not using an onLoad JavaScript code to mark your checkboxes?
I was thinking about something similar to the check all checkboxes script, but target it to a specific item, and fired it on load.
If you are using Px_ITEM1 as your checkbox item, the first option will always get the ID of Px_ITEM1_0. Using that, how about something like this:
<script language="JavaScript" type="text/javascript">

</script>
This way you can keep only one LOV query, and because the tag name search is limited to one item, only its options will be checked.
Regards,
Arie.

How to disable selection of checkbox ?

Hi,
I got the following query wrote under WHEN-ITEM-NEW-INSTANCE :-
Declare
In_routing_header_id number;
begin
select      rrh.routing_name,
     rrh.routing_header_id
into     :receipt_match.aic_routing_dsp,
     in_routing_header_id
from     po_line_locations_all plla,
     rcv_routing_headers rrh
where     rrh.routing_header_id = plla.receiving_routing_id
and     plla.line_location_id = :receipt_match.po_line_location_id;
if in_routing_header_id = 2 and :receipt_match.rect_qty_accepted = 0 then
set_item_property('receipt_match_control.receipt_match',enabled,property_false);
*** set_item_property ( 'receipt_match.selection_checkbox', enabled, property_false);
raise form_trigger_failure;
end if;
set_item_property('receipt_match_control.receipt_match',enabled,property_true);
end;
Please note on line *** where I inserted this line is to disable user from make selection/ click on the checkbox. However, I got the error when putting this. The error prompt : 'FRM-41032: Cannot set enabled attribute of current item XXXXX '
Please helps. I'm new in oracle forms.
Thanks
Lim

Hi,
Thanks for reply. However, I need to put the code only in the WHEN-NEW-RECORD-INSTANCE as the form that I called will display the data for user to check the button and select. I need to diable the check button from selection here. As you can see from the code, the match button had disable but now I need to disable the checkbox.
This is b'cos current status is even the match button has disable but the checkbox still can enable user to make mistake and record still can be saved from there. That's why I need to disable the checkbox to prevent user from make selection and saved.
Hope this is clear and looking forward to your helps.
rgds
Lim

Checkbox item: How to get all values checked?

See http://htmldb.oracle.com/pls/otn/f?p=24317:46
The report query is simply
select
'One' one,
'Two' two,
'Three' three,
'Four' four
from dualThe checkbox item is a named static LOV with STATIC2:ONE,TWO,THREE,FOUR and a Source value of ONE:TWO:THREE:FOUR so that all boxes appear checked when the page is first rendered.
All the 4 columns have a column condition like
instr(':'||:P46_COLS||':',':ONE:') > 0to ensure that column is rendered only if the corresponding checkbox is checked.
The report has Dynamic column headings with the following PL/SQL function body
return 'ONE:TWO:THREE:FOUR';To my (pleasant) surprise, this works very nicely. When column TWO is conditionally not rendered, its corresponding column heading is also skipped with no effort on my part. Nice.
Question:
Instead of "hard-coding" that string ONE:TWO:THREE:FOUR in the 2 places I mentioned above (checkbox item source and report heading), is there a way to access the "all values checked" version of that LOV item so that it will dynamically pick up the latest LOV changes? The way I have done it currently, if I change the named LOV, I need to also change those 2 places where I have hardcoded the values.
Any ideas? Thanks

Scott:
I thought about that but the LOV has dozens of values, each with a verbose display value and a return value of the column name (upto 30 characters) and the display values are still being "worked on" by the users.
So, the "all columns" string would be a big, unweildy string that would be hard to edit.
It is much easier to edit, resequence and generally work with a Shared Component LOV defined as a Static LOV because you get that nice page (4000:4111) where you can read everything nicely formatted instead of a STATIC2:<big long string>!
Can I have my cake and eat it too?!
Thanks

Selecting the Checkboxes on Interactive Report

Hello
I have two checkboxes on a Interactive Report:
My query is as follows:
select
apex_item.checkbox(1, empno, 'ENABLED'),
apex_item.checkbox(2, deptno, 'ENABLED'),
ename,
sal
from emp;
I have a conditional button 'Check N Update' which will invoke the Pl/SQL process:
FOR i in 1..APEX_APPLICATION.G_F01.count
LOOP
l_empno := APEX_APPLICATION.G_F01(i);
UPDATE XXX ....;
END LOOP;
FOR i in 1..APEX_APPLICATION.G_F02.count
LOOP
l_empno := APEX_APPLICATION.G_F02(i);
UPDATE XXX ....;
END LOOP;
What I need is I need to check a CONDITION, if BOTH the checkbox's are selected then I need to throw an ERROR saying.
YOU CANNOT SELECT BOTH the boxes.
Please let me know how can I get this.
Appreciate your help.
thanks

Hi
Using a RadioGroup would actually create one radio button for each line and mean that you could only select one line.
As the submit process will only return the boxes that have been checked, you only have access to the ticked items and as these contain just the EMPNO and DEPTNO values, you have no way to check if any two are from the same row.
This means that you will have to rethink your report slightly. You will need to have two checkboxes with ROWNUM as the value (if the report is sorted somehow, this may make this more awkward as ROWNUM is from the unsorted data) and make your EMPNO and DEPTNO hidden fields. The when the user submits the page, you will have to compare the ROWNUM values for the first column with all the ROWNUM values for the second column to see if there's a match.
As an alternative, you could have a select list for the first item and give the user options for EMPNO, DEPTNO, Both, Neither?
Andy

Query runs forever when using selection on line item dim

we have a cube zcube which has po number as a line item dimension .
everymonth users run queries this cube using po number as selection
criterai and using a wild card search on this field . every time
queries have run fine . however , this month when we try to do so
the query runs forever and no results are returned . i also tried
listcubing with similar selection but it also did not return any results .
our production system has lot of data . i tried in test system it worked fine
i checked the cube for compression and indices in production , they look fine
can anyone think of anything that could have gone wrong ? also did rsrv tests ..
but all come green
we have not done any developments on this cube , however we have shifted to
a new hardware in the past month . can anyone think of any reasons ?
anything that can help me catch the issue ? all suggestions welcome

Not sure,
Are you saying that you need both the counts seperately? or a combined count?
how are you joining alpha and beta tables? what is the join condition?
you need to do something like this,
SELECT COUNT(CASE WHEN
                    (A.col1 = 'Pete' AND SUBSTR(A.col2,,1,12)=SUBSTR(B.col2,,1,13))
                 OR ( A.col1 != 'Pete' AND SUBSTR(A.col2,,1,15)=SUBSTR(B.col2,,1,15))
                THEN 1 ELSE 0
             END)
FROM alpha A, beta b
WHERE alpha.join_cloumn= beta.join_columnG.

Maximum number of selections in an info package

Hi friends,
i want to load an ODS with data from MSEG. Due to the great number of records I've to select by
0ATERIAL. Selection criteria are provided by a routine I'll write for this selection, reading a different
ODS. Estimated number of records for selection is about 80,000.
My question:
Is there any restriction regarding the number of selection criteria of an Infoobject in info packages?
Will a selection work with 80,000 criteria?
Any input is highly appreciated.
Thanks in advance and regards
Joe

Hello,
If I understood correctly...you will compare the values from a DSO and then pass these values in the infopackage selections..
but how are you planning to do it...will it be interval or single value??
Also I think you can assign only one value or range in the infopackage at a time for selection through routine...
More the number of selections more the number of AND in the where clause.
I am not sure if there is any limitations on where clause but after 100 selection the select queries become complex and overflow the memory...so thats the limitation.
Thanks
Ajeet

How to get the page number that which have page item?

i used Ilayouttarget .By using the selection target to get page number that which page have item to be.

i used Ilayouttarget .By using the selection target to get page number that which page have item to be.

Accessing S:List Checkbox Item Renderer Outside the Renderer

Hi All,
I have an S:List, with a checkbox item renderer. I was to be able to access the selected portion of the renderer to create a new function that at the press of a button this will delect all the current selected items in the list.
Doco states that i should be able to do this just by setting the selectedIndex to -1. But not sure if this is specific to 4.5?? But it is not working for me.
Below is my current list. Outside of this list flashbuilder does not know about chkList, or even selected. How can i get access to this to deslect all?
<s:List
id="ltattributes">
<s:itemRenderer>
<fx:Component>
<s:ItemRenderer>
<fx:Script>
<![CDATA[
import mx.events.ItemClickEvent;
protected function chkList_changeHandler(event:Event):void
var e:ItemClickEvent = new ItemClickEvent(ItemClickEvent.ITEM_CLICK, true);
data.selected = event.currentTarget.selected;
e.item = data;
e.index = itemIndex;
dispatchEvent(e);
]]>
</fx:Script>
<s:CheckBox id="chkList" selected="false" label="{data.displayname}" change="chkList_changeHandler(event)"/>
</s:ItemRenderer>
</fx:Component>
</s:itemRenderer>
Thanks

Try: dataGroup.getElementAt().
Alex Harui
Flex SDK Developer
Adobe Systems Inc.
Blog: http://blogs.adobe.com/aharui

Moving checkbox items into other group

I have a very simple Word doc that when I have Acrobat automatically create a form from it, puts checkbox items into groups I need to change. For example, the grouping should be
GroupA
Item1
Item2
Item3
Item4
but what I get is
GroupA
Item1
Item2
GroupB
Item3
Item4
I can't select and slide item3 and 4 into GroupA. And if I delete item3 and 4 and add a new field, the new field is always outside of GroupA, even if I select GroupA or any item inside of it first.
I do have a way out: I can delete them all and then add multiple checkboxes as a group, but I would rather slide them around, as there are a lot more checkboxes than the four shown. Anyone know how I can accomplish this?

Jeff,
Thanks for the response. I had tried the apex_item before but I couldn't get it to work. I have changed the SQL to include the apex_item commands then used them to define parameters in the javascript function then added parameters to the Application Process but I get no data found. Am I using the apex_item wrong in the SQL or the apex_application wrong in the javascript?
Thanks,
Bob
SQL:_
q := 'select apex_item.checkbox(1, empno||''~''||ename||''~''||job||''~''||hiredate, ''onclick="f_UpdateCollection(this)"'',a.c001) cbox, '||
' apex_item.display_and_save(2,empno) "EMPNO", '||
' apex_item.display_and_save(3,ename) "ENAME", '||
Javascript:_
function f_UpdateCollection( cb ){
var get = new htmldb_Get(null,$v('pFlowId'),'APPLICATION_PROCESS=UpdateCheckboxValue',0);
get.addParam('x01',cb.value);
get.addParam('x02',apex_application.g_f02);
get.addParam('x03',apex_application.g_f03);
get.GetAsync(function(){return;});
get = null;
Application Process:_
declare
l_value varchar2(4000);
l_empno varchar2(4000);
l_ename varchar2(4000);
begin
l_value := wwv_flow.g_x01;
l_empno := wwv_flow.g_x02;
l_ename := wwv_flow.g_x03;
apex_collection.add_member(
p_collection_name => l_collection_name,
p_c005 => l_empno,
p_c006 => l_ename,
p_c010 => l_value );
...

ADG Tree - Linked Checkbox Item Renderers

Hi Everyone,
I've put together an AdvancedDataGrid that displays nodes from an XML (generated from a MySQL DB) in a tree format with two columns.
The first column is the actual tree and the second column utilizes a checkbox item renderer.
What I need to do, however, is to have it so that when a user clicks on the checkbox of a parent node, it selects all child nodes as well. If the parent node is deselected, all child nodes should also be deselected. Furthermore, if a child node is checked off, the parent node should also be checked automatically.
I did find a sample that utilizes a 3-state checkbox for ADG's, but my issues is that the checkbox's are in a different column and not beside the tree nodes.
Any assistance in this would be really appreciated.
Thanks!
Dan

I think you could simulate column-like display using itemRenderers in Tree component.
I wanted to use ADG so much and was happy to finally work it out in my app, I thought.
Then I noticed the issue with responsiveness and what a struggle it was to get the items to always render, that's a whole other topic.
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I don't remember the exact error message - once I found out it was RTE I abandoned it completely
in favor of Tree - nice and stable and does the job for me....
There is a bug report in bugs.adobe.com/jira about this, others have reported it too.

XML syntax for MULTI checkboxes

Another XML question :
how do I indicate multi-checkboxes?
Meaning, instead of ticking one box, you can tick several boxes for the same field/attribute?
Example :
*<Field name='WhatKindOfGuy'>*
*<Display class='???????'*
*<Property name='Title' value='What kind of guy is Michael?'*
Let's say I want to present a variety of options : *(a) Cheerful (b) Friendly (c) Openminded (d) Ambitious (e) Dedicated (f) Brash,* etc, etc,etc
Obviously, Michael can be several of these things.
So, I want to have several checkboxes.
What's the correct XML syntax?

In your case u have to take that many checkboxes, and finally evaluate the checkboxes selected or not on the basis of their values is true or false

Limiting number of selectable multi-checkbox items

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