Cascading LOVs in a report region

Can you create a cascading LOV in a report region? All of the examples I find are in a HTML region.

Swosh,
I think that this approach is better than the one from Vikas:
http://htmldb.oracle.com/pls/otn/f?p=31517:176
Denes Kubicek
http://deneskubicek.blogspot.com/
http://www.opal-consulting.de/training
http://htmldb.oracle.com/pls/otn/f?p=31517:1
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Similar Messages

Long LOV for a report region attribute

I have an updateable report based on a SQL Query with a few attributes in it. One of the attributes is an id referencing another table (a foreign key). I would like to display a descriptive name from the referenced table in place of the id and provide a LOV to choose from when updating or creating a record.
'Select List (named LOV)' or 'Select List (query based LOV)' Tabular Form Element would do it nicely, but the problem is that the LOV is very long (hundreds of records). 'Popup LOV' (either named or query based) is perfect in terms of selection, but it returns the id into the element. So effectively I am looking for an element with functionality of 'Select List', but presentation of 'Popup LOV'.
Hope the above is query. Any suggestions are appreciated.

Thank you for a quick answer, Michelle.
Unfortunately this option is not available in the 'Display As' list in the 'Tabular Form Element' section of the attribute definition screen. Here is the full list of the options:
<ul>
<li>Standard Report Column</li>
<li>Display as Text (displayed as LOV, does not save state)</li>
<li>Display as Text (saves state)</li>
<li>Display as Text (escape special characters, does not save state)</li>
<li>Date Picker</li>
<li>Text Field</li>
<li>Text Area</li>
<li>Select List (static LOV)</li>
<li>Select List (named LOV)</li>
<li>Select List (query based LOV)</li>
<li>Hidden</li>
<li>Popup LOV (named LOV)</li>
<li>Popup LOV (query based LOV)
</li>
</ul>

Creating a Cascading LOV in an Interactive Report

version 4.1.1.00.23
Hello,
Would someone help me with creating a Cascading LOV in an Interactive Report?
I'm not finding much help searching Google or the forum.
Thanks,
Joe

I used this example but I cant show picture in my region using this procedure. It displays simbol for broken image. Any help. I even added grants for procedure, but it just does't work. This is how I call procedure in html region:<img src="#OWNER#.display_thumb?p_photo_id=3084374128401555434" />

Cascade lov in a "form with a report"

I am fairly new to HTMLDB and struggling with this one. Can anyone help?
I have built a test application that uses a form with report, created using the wizard.On the form I have cascaded LOVs( SITEOWNER and SITE) . The second LOV should depend on the first in that only the sites belonging to the siteowner in the first LOV should be available for selection. I cannot get this to work. I have tried to use "select list" on bothe LOVs but in this case the second LOV is blank. I have also tried "select list with submit" and trap the submit with REQUEST != expression1 as described in some of the posts in this forum, but cannot stop the form from branching.
Any help will be welcome !. My test application is at the Oracle HTMLDB site.
MISTST1/[email protected]/bitotu

Hi,
If you edit your report region there in the report attributes you will be finding the "Link Column" Section.
Under the link column section you will be referring the pencil icon image and target page number in the application.
Brgds,
Mini
Mark Answers Promptly

Cascading LOVs (APEX 4.1) problem, using in report does not set values

Hi,
i am using APEX 4.1.0.00.32 and i have a simple report as
SQL:*
SELECT * from region
WHERE region like '%'||P3_REGION||'%'
and country like '%'||P3_COUNTRY||'%'
and city like '%'||P3_CITY||'%'
Items:*
P3_REGION:
select distinct region as d, region as r from region
Display Null value: YES
Null display value: - select -
Null return value: +0+
P3_COUNTRY:
select distinct country as d, country as r from region where region = :P3_REGION
Display Null value: YES
Null display value: - select -
Null return value: +0+
Cascading LOV Parent Item(s): P3_REGION
P3_CITY:
+select distinct city as d, city as r from region where country = :P3_COUNTRY
Display Null value: YES
Null display value: - select -
Null return value: +0+
Cascading LOV Parent Item(s): P3_COUNTRY
The LOVs work fine and the correct values are displayed if cascading through them
So in the last step i want to filter the report with the values that were selected in the lovs. And this i get not working.
I tried to add a button with SUBMIT of the page. After choosing values in all LOVs and clicking the SUBMIT button the page submits, alle LOVs are cleared (with value - select -) and the report shows all rows.
I tried to change the button to "redirect to Page 3" and setting the values P3_REGION, P3_COUNTRY, P3_CITY to &P3_REGION., &P3_COUNTRY., &P3_CITY. but without success.
I tried to use the setting "Page Action when Value Changed" to "Submit" and/or "Redirect and set value" for all Item LOVs and/or only the last item LOV, but then the cascade of the LOVs does not work properly and the report does not change too.
I am confused as i don´t know what i can do until now. I think this should be an easy requirement to limit/filter the report with values in the LOVs.
Furthermore it should be possible to choose only the region LOV and then limit the report with that region (without choosing country and city)
Thanks in advance!

Hi Dan,
thank you for your answer. I have the solution now from Kleber_M, this works.
Dan McGhan wrote:
1. Use bind variables in my query. It would look something like:
SELECT *
FROM region
WHERE region LIKE '%'|| :P3_REGION ||'%'
AND country LIKE '%'|| :P3_COUNTRY ||'%'
AND city LIKE '%'|| :P3_CITY ||'%'
This was only a mistake when writing the post, i forgot the colon. I use bind variables of course.
2. Make sure you have a comma separated list of item names that the report depends on beneath the SQL Query where it says Page Items to Submit. This will make sure that the value of those items on the page are bound into session state prior to the query executing.I tried this, too, but without success...
3. Use Dynamic Actions to perform the refresh action when any of the three items changes. This would be both more performant and a better experience for the end user than a full page refresh.How can i do this. This sounds good, because when refreshing the page often some items oder actions are done that i don´t want to.
Regards,
Matze

How to Create a Page LOV Template and a Region LOV Report Template in APEX

Hi All,
Thanks in advance ..
I am new to APEX , Currently working in APEX 3.2
Can any one please guide me How to Create a Page LOV Template and a Region LOV Report Template in APEX
So that I can create dynamic Multi column LOV in APEX
Cheers
Sachin

Sachin,
I think you are en-quiring about 'Custom pop-up page'. See this link. You will get all required info there.
Regards,
Hari

Report region columns constrained to 4000 chars? Hitting LOV problems.

Hi all,
I've hit a problem that I'm hoping will have a simple answer.
Quick overview of issue:
APEX 3.01 application running against a 10gR2 DB.
We have an LOV defined that works just fine on various forms but in report regions where the LOV is available via a drop down column value in the report region HTML table we are hitting the error:
report error:
ORA-06502: PL/SQL: numeric or value error: character string buffer too small
Some judicious debugging reveals that this seems to be because we are trying to load in more than 4000 characters into the LOV drop down in the report regions HTML table column (it's a moderately large LOV)..
This suggests that the default column type in a report region HTML table is VARCHAR2 and thus that there is a default 4000 character limit on any such column values, would that be a fair assumption? I know that the actual report row size always used to be limited to a total of 32k but this limit is a new one to me.
If there is such a limit, does anyone have any suggestions on how to work-around it i.e. is it possible to redefine report region column values to be other datatypes/dimensions or should we be looking at using an alternative such as a pop-up instead?
Many thanks.

Hi Scott,
Okay, what we have is a fairly simple Dynamic Page with two report regions (both standard type of 'SQL Query'). The second report region is the one causing us the headache. The column headings are set to 'Custom' but apart from that everything seems as it should be.
The following query populates an HTML table being generated in the second report region (problem line in bold):
SELECT apex_item.hidden(7,task_id)||
apex_item.select_list_from_lov(1, estimate_type, 'TASKSMK', NULL, 'YES', 0,'** Select Task **',NULL, NULL) as "Task Type",
'<img src="/i/themes/aqa/required.gif" alt="Required Field" tabindex="999" />'||apex_item.text(2, description,30,4000,'required="true"') as "Work Item(s)",
dbms_lob.substr(apex_item.select_list_from_lov_xl(3, username, 'PEOPLE', NULL, 'YES', 0, '** Select Resource **', NULL, NULL),4000) as "Resource",
apex_item.text(4, days,5,5) as "Days",
apex_item.text(5, start_date,11,11) as "target Start (dd-mon-yyyy)",
apex_item.text(6, NVL(end_date,ADD_MONTHS(start_date,1)),11,11) as "Target End (DD-MON-YYYY)",
rownum link
FROM
(SELECT t.task_id,
e.estimate_type,
t.description,
t.username ,
t.days,
t.start_date,
t.end_date
FROM estimate e, task t
WHERE e.project_project_id = TO_NUMBER(:F172_PROJECT_ID)
AND e.active_yn = 'Y'
-- and t.days > 0
AND t.ese_id = e.id
--AND e.creation_date = (SELECT MAX(ei.creation_date) FROM estimate ei WHERE ei.project_project_id = e.project_project_id AND ei.active_yn = 'N')
UNION ALL
SELECT 0 task_id,
0 estimate_type,
NULL description,
'0' username,
NULL days,
sysdate start_date,
ADD_MONTHS(sysdate,1) end_date
FROM dual
CONNECT BY LEVEL < = TO_NUMBER(:P19_ROWS_CNT))
All appears well until the number of values being returned in the second LOV (retrieved by the apex_item.select_list_from_lov_xl) exceeds 4000 characters and then we get the error first detailed. The substr around the function isn't usually present, it was added during the debugging, if I allow one more character than the 4000 or remove the substr completely then I get the error again. If the same function is used to retrieve the LOV on a normal Dynamic Form field then all is well, it only seems to have a problem when present in the HTML table being generated.
Are we doing something silly here?
Thanks.
Message was edited by:
jac

Cascade LOV for Multi Row Report

Hi,
Is there a way to support cascaded LOV's in a report, where there are multiple rows?
Thanks

Why don't you try this
SELECT    apex_item.hidden (10, tr.seq)
       || apex_item.checkbox (20,
                              tr.seq,
                              'onchange="spCheckChange(this);"',
                              :f500_request_list,
                              'f20_' || '#ROWNUM#'
                             ) "Is Requested?",
       apex_item.select_list_from_lov_xl (30,
                                          to_room_seq,
                                          'ROOMS_LOV',
                                          'NO',
                                          NULL,
                                          NULL,
                                          'f30_' || '#ROWNUM#',
                                          NULL,
                                          'NO'
FROM ts_assets ta, ts_reqs tr?
Denes Kubicek
http://deneskubicek.blogspot.com/
http://www.opal-consulting.de/training
http://apex.oracle.com/pls/otn/f?p=31517:1
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Cascade LOV display as text (based on LOV) in clasic report

Hi Experts,
It is possible to use cascade LOV - item is displayed as text (based on LOV) in clasic report ? (Display AS)
I would like to reference to another column displayed in the report in LOV.
Example:
select description d,
       val_strg2 r
from domain_cntr
where cntr_name = 'CH_PRIM_ST_NOTE'
   and val_strg1   = #PRIM_STATUS#
   and active_idc = 'Y'#PRIM_STATUS# is the column i would like to reference.
Is it possible ? IN CLASIC REPORT
regards
J :D

Hi,
>
Is it possible ? IN CLASIC REPORT
>
Yes.
It may a rather long thing to code, so be ready for it.
Here is how:
a. Use APEX_ITEM API in your Report Query. Make sure you specify the p_item_id parameter , using #ROWNUM#
b. In the Parent LoV wrtie an onChange event trigger that fires a JavaScript function and pass the ID of the element .
c. In this JavaScript function make an AJAX call to get the <select>...<option...>...</select> , in short the complete HTML of the child LoV
d. Push this HTML fragment into the Child Lov. You construct the ID of the target based on the ID of parent . E.g. f01_0001 to f02_0001.
e. You may additional keep the child invisible or disabled initially, and then make it visible/enable it after it is populated.
Regards,

Resetting a Form with Cascading LOVs (Apex 4)

A standard reset button cannot reset cascading LOVs properly. Let's assume we have a parent LOV and a child LOV. When one changes the selection in the child LOV, reset can undo this. But when he changes the selection in the parent LOV, reset will undo only the parent LOV but not the child LOV. The child LOV remains unchanged (however the selection is lost) and therefore shows a list that does not correspond to the entry now shown in the parent LOV.
Has anybody found a solution for this, a reset action that can reset cascading LOVs completely and properly?
Regards
Roland

Roland,
i didn't try this myself but maybe you succeed with triggering the onchange-event of your parent-select-list (this should cause the child select-list to be refreshed).
Or you could try if a form region has a apex "refresh" event (i know that refresh works on reports).
brgds,
Peter
Blog: http://www.oracle-and-apex.com
ApexLib: http://apexlib.oracleapex.info
BuilderPlugin: http://builderplugin.oracleapex.info
Work: http://www.click-click.at

Cascading LOV does not work when setting the value of the parent LOV with DA

Hello All,
Using APEX 4.2.2.
I have tow LOVs
Parent LOV item is: P50_TYPE
Child LOV item is : P50_PROJECT_ID
In other words in the attributes of the item P50_PROJECT_ID we have :
> Cascading LOV Parent Item(s): P50_TYPE
> Page Items to Submit: P50_TYPE
> List of values definition: something similar to:
Select * from mytable where type = :P50_TYPE
I use DA that execute JS code to set the value of the P50_TYPE item
something similar to:
> $('#P50_TYPE').val(2);
Having done this, the P50_PROJECT_ID item does not get refreshed, when the value of P50_TYPE is changed. Namely, P50_PROJECT_ID remains empty, unless end user manually changes the value of P50_TYPE.
Any help please ?
Regards,

Thanks Scott,
By the way, I remember reading a thread posted by you about Sumneva Drag & Drop Report Region plugin that was answered by Tom . But, I cannot find this plugin anywhere. Does not it supported in APEX 4.2 ? Is there any alternative out there ?
If you use it, and it works find with you, can you please send it to me on [email protected] ?
Regards,
Fateh

Get('XML') doesn't work, but get() does in javascript - CASCADING LOVs

I'm trying to get cascading LOVs working in Apex 3.1.0 in Oracle 11g. When I call get.get('XML') it returns null in firefox and empty string in IE6. If I change it to call get.get() then it returns the XML as a string into Javascript.
The Application process is getting called in both scenarios as i've put PL/SQL logging to disk in order to prove it. The XML being returned is very basic so i'm sure it's not a problem with formatting. I'm not getting any exceptions thrown in javascript either.
Is it possible to use get.get() and then convert the text into an XML object which is returned as per get.get('XML') which at least will allow me to get something working ?
thanks
<script language="JavaScript" type="text/javascript">
function getBusinessFieldJS(pThis, pSelect)
alert('getBusinessFieldJS');
try
var l_Return = null;
var l_Select = html_GetElement(pSelect);
var get = new htmldb_Get(null, html_GetElement('pFlowId').value, 'APPLICATION_PROCESS=GET_DATA_FIELDS_XML', 0);
/*get.add('F120_GETBUSINESSFIELD_ITEM',pThis.value);*/
gReturn = get.get('XML');
alert('gReturn=' + gReturn);
alert('gReturn.value=' + gReturn.value);
if (gReturn == null)
alert('gReturn is null');
if(gReturn && l_Select)
var l_Count = gReturn.getElementsByTagName("option").length;
alert('l_count='+l_Count);
l_Select.length = 0;
for(var i=0;i<l_Count;i++)
var l_Opt_Xml = gReturn.getElementsByTagName("option")+;+
+ appendToSelect(l_Select, l_Opt_Xml.getAttribute('value'),+
+ l_Opt_Xml.firstChild.nodeValue)+
+ }+
+ }+
+
get = null;+
+ }+
+ catch (e)+
+ {+
+ alert('Exception : ' + e);+
+
}+
+}+

Hi,
I've been trying to replicate your problem here: [http://apex.oracle.com/pls/otn/f?p=37055:1]
My application process is:
BEGIN
OWA_UTIL.mime_header ('text/xml', FALSE);
HTP.p('Cache-Control: no-cache');
HTP.p('Pragma: no-cache');
OWA_UTIL.http_header_close;
HTP.prn('<select>');
HTP.prn('<option value="-1">Please Select</option>');
HTP.prn('</select>');
END;(Just copied from your post and XML changed to xml, otherwise untouched)
And my page has a simple HTML region with the source of:
<div id="XMLOUTPUT" style="border:1px solid blue; width:200px; height:200px;"></div>
<div id="XMLOUTPUT2" style="border:1px solid blue; width:200px; height:200px;"></div>
<script type="text/javascript">
function getMyXML()
var l_Return = null;
var get = new htmldb_Get(null, html_GetElement('pFlowId').value, 'APPLICATION_PROCESS=RETURN_XML', 0);
gReturn = get.get('XML');
var d = html_GetElement('XMLOUTPUT');
d.innerHTML = gReturn;
var d2 = html_GetElement('XMLOUTPUT2');
d2.innerHTML = get.get();
var s = gReturn.getElementsByTagName("select");
alert(s.length);
</script>
<a href="javascript:getMyXML();">Click</a>Click on Click at the bottom of the page. The first DIV gets the get.get('XML') object and the second one the get.get() and a popup message tells you how many "select" items are in the XML version.
As far as I can see, this works fine.
Andy

"Between NVL" - Works in SQL Command, not in APEX report region

First, I realize I could use dynamic SQL (model 4), but I don't want to (too hard just yet).
I have a select statement with a series of Where conditions that employ values, in bind variables, supplied by the user.
I want the choice of parameters to be optional, so I am checking for and replacing nulls.
Select emp_name from employee_table where
emp_rating between nvl(:p7_rating_choice, 0) and nvl(:p7_rating_choice, 99)
and
emp_language_no between nvl(:p7_lang_choice, 0) and nvl(:p7_lang_choice, 99);
(the binds should be numeric).
The actual statement is quite a bit longer, but the point is that the BETWEEN NVL(:x, min) AND NVL(:x, max) piece does not seem to work when used in a report region.
It works fine if ALL parameters are provided, but returns an error if one or more are null.
In the SQL command window it works (with a pop-up) just fine.
By the way, the :p7_lang_choice bind variable is chosen from a LOV list which works in all other cases.
Also, if I disable nulls (choosing "no" in ITEM page), everything works fine. It seems that the substitution of the min and max values via the NVL returns the wrong data type.
Any ideas what I have done wrong?

Thanks Scott.
Every day brings a little more understanding!
I also noticed a simplified method in the APEX documentation (although there was no explanation of the code) as follows:
Where
(column = :p1_user_input_1 OR :p1_user_input_1 = [null substitution value])
AND
(column = :p1_user_input_2 OR :p1_user_input_2 = [null substitution value])
AND
etc...
Using the value you provide in the LOV section for the null, the second part of the OR handles the null situation.
For some reason I was so tied up with comparing to the column that I never thought to have an OR with a compare to something else.
Oh well.
Thanks,
Norm

SQL Query (updateable report) Region - Conditionally Hide and Set Values

SQL Query (updateable report) Region - Conditionally Hide and Set Values
Outline of requirement :-
Master / Detail page with Detail updated on same page using SQL Query (updateable report).
The detail region has the following source
SELECT item_id,
       contract_id,
       CASE WHEN hardware_id IS NOT NULL THEN
               'HA'
            WHEN backup_dev_id IS NOT NULL THEN
               'BD'
            WHEN hardware_os_id IS NOT NULL THEN
               'HS'
       END item_type,
       hardware_id,
       backup_dev_id,
       hardware_os_id
FROM   "#OWNER#".support_items
WHERE contract_id = :P26_CONTRACT_IDThe table support_items implements arced relationships and has the following columns
CREATE TABLE SUPPORT_ITEMS
ITEM_ID         NUMBER                        NOT NULL,
CONTRACT_ID     NUMBER                        NOT NULL,
HARDWARE_ID     NUMBER,
BACKUP_DEV_ID   NUMBER,
HARDWARE_OS_ID NUMBER
)A check type constaint on support_items ensures that only one of the fk's is present.
      (    hardware_id    IS NOT NULL
       AND backup_dev_id IS NULL
       AND hardware_os_id IS NULL
OR    (    hardware_id    IS NULL
       AND backup_dev_id IS NOT NULL
       AND hardware_os_id IS NULL
OR    (    hardware_id    IS NULL
       AND backup_dev_id IS NULL
       AND hardware_os_id IS NOT NULL
      )    Hardware_Id is a FK to Hardware_Assets
Backup_dev_id is a FK to Backup_Devices
Hardware_os_id is a FK to Hardware_op_systems
The Tabular Form Element based on item_type column of SQL query is Displayed As Select List (based on LOV) referencing a named list of values which have the following properties
Display Value     Return Value
Hardware Asset    HA
Backup Device     BD
Computer System   HSThe Tabular Form Elements for the report attributes for hardware_id, backup_dev_id and hardware_os_id are all Displayed As Select List (Based on LOV).
What I want to do is only display the Select List for the FK depending on the value of the Select List on Item Type, e.g.
Item_Type is 'HA' then display Select List for hardware_id, do not display and set to NULL the Select Lists for backup_dev_id and hardware_os_id.
Item_Type is 'BB' then display Select List for backup_dev_id, do not display and set to NULL the Select Lists for hardware_id and hardware_os_id.
Item_Type is 'HS' then display Select List for hardware_os_id, do not display and set to NULL the Select Lists backup_dev_id and hardware_id.
There are properties on elements to conditionally display it but how do we reference the values of the SQL query Updateable region? they are not given a page item name?
Also on the Tabular For Elements there is an Edit tick against a report item - however when you go to the Column Attributes there is not a property with which you can control the Edit setting.
What's the best way of implementing this requirement in APEX 3.1?
Thanks.

>
Welcome to the forum: please read the FAQ and forum sticky threads (if you haven't done so already), and update your profile with a real handle instead of "user13515136".
When you have a problem you'll get a faster, more effective response by including as much relevant information as possible upfront. This should include:
<li>Full APEX version
<li>Full DB/version/edition/host OS
<li>Web server architecture (EPG, OHS or APEX listener/host OS)
<li>Browser(s) and version(s) used
<li>Theme
<li>Template(s)
<li>Region/item type(s) (making particular distinction as to whether a "report" is a standard report, an interactive report, or in fact an "updateable report" (i.e. a tabular form)
With APEX we're also fortunate to have a great resource in apex.oracle.com where we can reproduce and share problems. Reproducing things there is the best way to troubleshoot most issues, especially those relating to layout and visual formatting. If you expect a detailed answer then it's appropriate for you to take on a significant part of the effort by getting as far as possible with an example of the problem on apex.oracle.com before asking for assistance with specific issues, which we can then see at first hand.
I have a multi-row region that displays values and allows entries in a number of fields.Provide exact details of how this has been implemented. (An example on apex.oracle.com is always a good way to do this.)
I should like the fields to be conditional in that they do not permit entry, but still display, if certain conditions apply (e.g. older rows greyed out). Can this be done? Almost anything can be done, often in multiple ways. Which are appropriate may be dependent on a particular implementation, the skills available to implement it, and the effort you're willing to expend on it. Hence it's necessary to provide full details of what you've done so far...

How to use a cascading LOV as a Web Services Consumer?

How to use a cascading LOV as a Web Services Consumer?
We are trying to populate a prompt programmatically.
Our program is a Web Services Consumer.
As an example we use Island Resorts Marketing
The cascading LOV for City is
Country -> Region -> City
The City object is key-aware to the customer table
The query is
Customer | Revenue
(where) City = [prompt]
In order to make the key-awareness work, we must select the value (rowIndex) from the LOV
When we run our program below, the LOV for City is not populated, as expected since we must first select the Country, then the Region.
The code snippet below shows that the LOV for Country is populated. We have no idea how to go from there.
Any hint will be immensely appreciated.
Let us know if anything is unclear in the code.
Source
RetrieveMustFillInfo retrieveMustFillInfo = RetrieveMustFillInfo.Factory.newInstance();
        RetrievePromptsInfo retrievePromptInfo = RetrievePromptsInfo.Factory.newInstance();
        retrievePromptInfo.setPromptLOVRetrievalMode(PromptLOVRetrievalMode.ALL);
        retrievePromptInfo.setRefreshReturnedLOVs(true);
        retrievePromptInfo.setReturnLOVOnMustFillPrompts(true);
        retrieveMustFillInfo.setRetrievePromptsInfo(retrievePromptInfo);
        // *-- need the "Refresh" action to get the .promptToBeFilled
        Action[] boActions = new Action[1];
        boActions[0] = Refresh.Factory.newInstance();
        try {
            documentInformation = reportEngine.getDocumentInformation(Integer.toString(infoObject.getID()), retrieveMustFillInfo, boActions, null, null);
            m_Token = documentInformation.getDocumentReference();
        } catch (Exception ex) {
            System.out.println(GetWSError(ex));
            return;
        if (documentInformation.getMustFillPrompts()) {
            PromptInfo[] promptInfoS = documentInformation.getPromptInfoArray();
            for (PromptInfo promptInfo : promptInfoS) {
                System.out.println(String.format("Prompt '%1$s', hasLOV=%2$s", promptInfo.getName(), (promptInfo.getHasLOV() ? "Yes" : "No")));
                if (promptInfo.getHasLOV()) {
                    LOV boLOV = promptInfo.getLOV();
                    for (Value boLOVValue : boLOV.getValuesArray()) {
                        System.out.println(String.format(" LOV item '%1$s' RowIndex=%2$s", boLOVValue.getColumnsArray(0), (boLOV.getRowIndexed() ? boLOVValue.getRowIndex() : "")));
                System.out.println("--End LOV");
                PromptInfo[] promptInfoS2 = promptInfo.getPromptToBeFilledArray();
                if (promptInfoS2.length > 0) {
                    PromptInfo promptInfo2 = promptInfoS2[0];
                    System.out.println(String.format(" linked to %1$s", promptInfo2.getName()));
                    if (promptInfo2.getHasLOV()) {
                        LOV boLOV2 = promptInfo2.getLOV();
                        for (Value boLOVValue : boLOV2.getValuesArray()) {
                            System.out.println(String.format(" LOV item '%1$s' RowIndex=%2$s", boLOVValue.getColumnsArray(0), (boLOV2.getRowIndexed() ? boLOVValue.getRowIndex() : "")));
                        System.out.println("--End LOV");
Result
Prompt 'Enter value(s) for City:', hasLOV=Yes
--End LOV
linked to Enter value for Country of origin
LOV item 'Australia' RowIndex=6
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

Cascading LOVs in a report region

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