Selection list cascading tabular

Similar Questions

• Selection list cascading in the dialogue window

  Hello

  I'm developing in Apex 4.2.5.

  I have an Apex with a classic report region, in which a link edit page opens a dialog window (in the same page apex) to edit the selected line. The same dialog window is used to create a new line. The dialog window contains a cascading pick list. Two selection lists are defined to display NULL values and correctly fill in mode 'create '. My problem is that mode "Modify" the list of the second selection is not good value. The second selection list contains it however the right subset of values according to the parent, select the list and therefore don't does not contain the correct value, but it is not selected.

  I use a javascript function to fill in the fields in the dialog.

  ....

  $s ("P3_EVENT_TYPE", arguments [1]);

  $s ("P3_EVENT_SUBTYPE", [2] arguments);

  ....

  Then the display of the dialog window

  openDialog ('editEvent');

  
  

  The population of P3_EVENT_SUBTYPE list seems to happen but sometime after that all the fields in the dialog were assigned and the dialogue window displays.

  I see that I need to somehow update the list of selection in cascade, P3_EVENT_SUBTYPE, before assigning the value. My problem is how can I do this in the same javascript function?

  Kind regards

  Derek

  Eventually answered my own question-

  I created a hidden field in which to store the value of the event subtype.

  Created a dynamic of Action, after refresh of affected P3_EVENT_SUBTYPE subtype value = hidden field event.

• How to make selection lists cascading in the table of the ADF

  I have to bulk update the ADF table and two columns are selection lists. For example, in a row of the table, if the first select list is changed, then is it possbile to fill the second list based on the value in the first list of selection in this line? any ideas are appreciated.
  
  Kind regards
  Surya

  Cascade of LOV... reference http://andrejusb.blogspot.com/2008/12/cascading-lovs-in-oracle-adf-11g-update.html
  In the right table defined the PRR on the component of column 1, column 2. Also set the AutoSubmit/PartialSubmit for the component of Column1.

  Amit

• How a select list to cascaded in a table?

  Hello

  I would like to know how to create a pick list cascading tabular.

  In the screenshot next, for example, when select "2081: Alice Fan", the next filed should watch only "ID: name of the element" belongs to Alice.

  

  Usually I do this simply for an article by implementing the SQL query and cascade LOV parent as follows.

  However, I can't find it in the form of tables?

  

  

  One can help with the solution?

  I hope that this can be done to reload partially after the first field had changed, but not to present an entire page.

  Thank you!

  Alice

  Hi AliceFan-Oracle,

  AliceFan-Oracle wrote:

  Please see application 81653, page 2 (Test in the navigation menu).

  It's the ERT_TABLE_Item.

  If 'point ERT ID' is cascaded by ERT ID,

  When select "2221" ERT ID, it takes only the concerts "2521" and "2541" at the point of the ERT ID.

  When select "2222" ERT ID, it takes only the concerts '2561"in ERT item ID.

  ID ERT and ERT tabular item ID are columns 29th and 30th.

  Check your Application-> Page 2 81653 on your instance of apex.oracle.com. I implemented the LOV cascading using the solution of Jari.

  Reference: APEX Blog of Jari: Article Cascading select list in the form of

  Here are the steps how this is implemented:

  • Edited your Page attributes-> section JavaScript-> 'Function and Variable global statement' has added the following code:

  (function($){
  
  /*** Cascading select list ***/
  $.fn.htmldbCascade=function(parent,onDemand,options){
  
    options=$.extend({
     trigger       : false,
     extrVal       : false,
     nullShow      : false,
     nullValue     : "",
     nullDisplay   : "- Select -",
     disAlias      : "DIS",
     retAlias      : "RET",
     loadingTxt    : "Loading ...",
     loadingCss    : {"width":"80px"}
    },options);
  
    return this.each(function(i){
  
     var self=$(this);
     var lParent=$(parent).eq(i);
     var lSelfVal=self.val();
     if(!lSelfVal){lSelfVal="";};
  
     if(!lParent.data("htmldbCascade")){
      lParent.change(function(){
  
       var lParentVal=$v(this);
       if(!lParentVal){lParentVal="";};
  
       $.extend(options.loadingCss,{"height":self.parent().height()});
  
       self
        .hide()
        .empty()
        .parent()
        .find("div.ui-autocomplete-loading")
        .remove()
        .end()
        .append($("
  ",{"html":options.loadingTxt,"css":options.loadingCss})
        .addClass("ui-autocomplete-loading"));
  
       if(options.nullShow){
        appendOpt(self,options.nullDisplay,options.nullValue);
       };
  
       $.post("wwv_flow.show",{
        p_flow_id:"&APP_ID.",
        p_flow_step_id:"&APP_PAGE_ID.",
        p_instance:"&APP_SESSION.",
        p_request:"APPLICATION_PROCESS="+onDemand,
        x01:lParentVal
       },function(jd){
        var lExists=false;
        $.each(jd.row,function(i,d){
         if(d[options.retAlias]===lSelfVal){lExists=true;};
         appendOpt(self,d[options.disAlias],d[options.retAlias]);
        });
        if(options.extrVal&&!lExists){
         appendOpt(self,lSelfVal,lSelfVal);
        };
        self
         .val(lSelfVal)
         .show()
         .parent()
         .find("div.ui-autocomplete-loading")
         .remove();
        if(options.trigger){self.trigger(options.trigger);};
       },"json");
  
      }).data("htmldbCascade",true).trigger("change");
     }
    });
    /*** Append option ***/
    function appendOpt(pThis,pDis,pRet){
     pThis.append( $("",{"html":pDis,"value":pRet}) );
    };
  };
  
  })(apex.jQuery);
  

  • Edited your ERT_ITEM_ID column and added the following code to query LOV:

  SELECT NULL d,
         NULL r
  FROM   DUAL
  WHERE  1 = 2
  

  • Application G_TEMP element created in shared components-> section elements of enforcement with Protection of Session State"set to"Unrestricted ".
  • Created AJAX callback information Page at the request of GET_ERT_ITEM_ID process with the following code:

  DECLARE
    l_sql VARCHAR2(32700);
  BEGIN
    IF APEX_APPLICATION.G_x01 IS NOT NULL THEN
      APEX_UTIL.SET_SESSION_STATE('G_TEMP', APEX_APPLICATION.G_x01);
      l_sql := '
        SELECT ERT_ITEM_ID||'': ''||VENDOR_ID DIS,
               ERT_ITEM_ID RET
        FROM   ERT_TABLE_ITEM
        WHERE  ERT_ID = :G_TEMP
        ORDER BY 1
      ';
    APEX_UTIL.JSON_FROM_SQL(l_sql);
    ELSE
      HTP.prn('{"row":[]}');
    END IF;
    APEX_UTIL.SET_SESSION_STATE('G_TEMP', NULL);
  END;
  

  • Created the dynamic action named "Set LOV cascade after refresh and onload", with the following attributes:

  Event: After refresh

  Selection type: region

  Region: Update purchase order (15)

  Condition: No strings attached

  Action: Run the JavaScript Code

  Fire on loading the Page: Yes

  Code:

  $("[name=f30]").htmldbCascade(
  "[name=f29]",
  "GET_ERT_ITEM_ID",{
    nullShow:true,
    nullDisplay:"- Select -"
  });
  

  Assigned items: no

  • 'Action' button "ADD a line" changed "defined by the dynamic Action. Created another dynamic action named "Cascading select list Set for the new line" with the following attributes:

  Event: click on

  Selection type: button

  Region: ADD Row

  Condition: No strings attached

  Action: Run the JavaScript Code

  Fire on loading the Page: No.

  Code:

  apex.widget.tabular.addRow();
  $("[name=f30]:last").htmldbCascade(
  "[name=f29]:last",
  "GET_ERT_ITEM_ID",{
    nullShow:true,
    nullDisplay:"- Select -"
  });
  

  Assigned items: no

  Kind regards

  Kiran

• Values of the cascading select list is not displayed because the ampersand & in LOV

  Hello
  I use the LOV example Denes Kubicek http://htmldb.oracle.com/pls/otn/f?p=31517:119 cascading
  
  and I have a problem when my ename has an & in the name. In this case no values appear in the select list cascading. The application process, I use looks like this:
  
  < pre >
  BEGIN
  OWA_UTIL.mime_header ("text/xml", FALSE);
  HTP.p ('Cache-Control: non-cache');
  HTP.p ('Pragma: non-cache');
  OWA_UTIL.http_header_close;
  HTP.prn ("< select >");
  HTP.prn ("< option value ="' | 1 |) "" > ' | '- all employees-' | ' < / option > ");"
  
  FOR c IN (SELECT ename, empno
  WCP
  WHERE mgr =: cascading_selectlist_item_2)
  LOOP
  HTP.prn ("< option value ="' | c.empno |) '">' || c.Ename | ("< / option >");
  END LOOP;
  
  HTP.prn ("< / select >");
  END;
  < / pre >
  
  What should I change to make it work?
  Jacob

  Jacob,

  What happens if you change your application process on like this:

  DECLARE
     v_ename   VARCHAR2 (200);
  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 ('');
     HTP.prn ('' || '- All Employees -'
              || ''
             );
  
     FOR c IN (SELECT ename, empno
                 FROM emp
                WHERE mgr = :cascading_selectlist_item_2)
     LOOP
        v_ename := DBMS_XMLGEN.CONVERT (c.ename, 0);
        HTP.prn ('' || v_ename || '');
     END LOOP;
  
     HTP.prn ('');
  END;
  

  Do you still have the same result?

  Denes Kubicek
  -------------------------------------------------------------------
  http://deneskubicek.blogspot.com/
  http://www.Opal-consulting.de/training
  http://Apex.Oracle.com/pls/OTN/f?p=31517:1
  -------------------------------------------------------------------

• tabular cascading selection lists

  APEX - 4.1.0.00.32
  Version of DB - 10 g
  Web - OHS server architecture
  Browser - IE8
  Theme - 9
  
  Hello
  
  I have a tabular layout with two selection lists, I would like to select a value from the first list that will help determine what appears in the second list. The name of the column in the first select list is 'DL_DETAIL_PROJECT_ID', so I wish I could have a charly second selection list that looks like
  
  Select d, r id desc
  < table >
  where < other id of the table > = DL_DETAIL_PROJECT_ID
  
  but I don't know how to get the value of DL_DETAIL_PROJECT_ID?
  
  Also the list of regular article values of the shows an option for cascading lists, but the form of tables, list of the values section is not, is it possible to have cascading lists in a record on a tabular presentation?
  
  Thanks in advance for any help.

  Yes you can. See the links provided:

  http://Apex.Oracle.com/pls/Apex/f?p=39514:1:
  http://www.inside-Oracle-apex.com/generic-solution-for-cascading-select-listslovs/
  http://dbswh.webhop.NET/dbswh/f?p=blog:read:0:article:2003800346210117

• Problem with the cascading for interactive report selection list

  Hi all.

  I'm trying to implement the solution of cascading to the tabular presentation list.

  https://Apex.Oracle.com/pls/Apex/f?p=31517:176:103661090335568:

  But instead of the form of paintings, I use interactive report. After executing the query, I get the error:

  ORA-06550: line 1, column 147: PL/SQL: ORA-00936: lack of expression ORA-06550: line 1, column 13: PL/SQL: statement ignored

  
  

  My Sql query for the report:

  select 
  apex_item.hidden(1, a."DATA_ID")DATA_ID,
  apex_item.select_list_from_query(10,
    b.WAVE_GROUP,
   'select GROUP_DISPLAY, GROUP_RETURN from dwd_wave_group',
   'onchange="f_set_casc_sel_list_item(this,f11_'||LPAD (a.DATA_ID, 4,'0')||')"',
   'YES',
   '',
   '- Select Group -',
   'f10_' || LPAD (a.DATA_ID, 4, '0'),
    NULL,
   'NO'
   )WAVE_GROUP,
  apex_item.select_list_from_query(11, b."WAVE_USER",
  'SELECT username d, '
  ||'username r FROM dwd_user where groups = '||b."WAVE_GROUP",
  '',
  'YES',
  '', 
  '- Select User -',
  'f11_' || LPAD (a.DATA_ID, 4, '0'),
   NULL,
  'NO'
  )WAVE_USER
  from "DWD_WAVE_MASTER" a, dwd_wave_assignment b
  where a.data_id = b.data_id
  and b.wave_id = 'wave_1'
  

  If I exclude the condition 2nd selection list query and change as below then everything works fine. Query does not give error on sql developer.

  Use: APEX 4.2.6 with Database 11g.

  apex_item.select_list_from_query(11, b."WAVE_USER",
  'SELECT username d, '
  ||'username r FROM dwd_user',
  '',
  'YES',
  '', 
  '- Select User -',
  'f11_' || LPAD (a.DATA_ID, 4, '0'),
   NULL,
  'NO'
  )
  

  Can someone please help!

  Thank you

  Nabila

  The nabila Islam wrote:

  I'm trying to implement the solution of cascading to the tabular presentation list.

  https://Apex.Oracle.com/pls/Apex/f?p=31517:176:103661090335568:

  But instead of the form of paintings, I use interactive report. After executing the query, I get the error:

  ORA-06550: line 1, column 147: PL/SQL: ORA-00936: lack of expression ORA-06550: line 1, column 13: PL/SQL: statement ignored

  My Sql query for the report:

  1. Select
  2. apex_item. Hidden (' 1, a. "DATA_ID DATA_ID").
  3. apex_item.select_list_from_query (10,
  4. b.WAVE_GROUP,
  5. "select GROUP_DISPLAY, GROUP_RETURN from dwd_wave_group,"
  6. "onchange =" f_set_casc_sel_list_item (this, f11_'|) LPAD (a.DATA_ID, 4, '0'). ") » ',
  7. '' YES. ''
  8. '',
  9. -Select Group «-»,
  10. "f10_" | LPAD (a.DATA_ID, 4, '0'),
  11. NULL,
  12. 'NO '.
  13. ) WAVE_GROUP,.
  14. apex_item.select_list_from_query ("11, b.") WAVE_USER,"
  15. "SELECT user name d.
  16. |' username r FROM dwd_user where group = ' | b."WAVE_GROUP."
  17. '',
  18. '' YES. ''
  19. '',
  20. "- Select user -",
  21. "f11_" | LPAD (a.DATA_ID, 4, '0'),
  22. NULL,
  23. 'NO '.
  24. ) WAVE_USER
  25. of 'DWD_WAVE_MASTER' a, b dwd_wave_assignment
  26. where a.data_id = b.data_id
  27. and b.wave_id = 'wave_1. '

  If I exclude the condition 2nd selection list query and change as below then everything works fine. Query does not give error on sql developer.

  Use: APEX 4.2.6 with Database 11g.

  1. apex_item.select_list_from_query ("11, b.") WAVE_USER,"
  2. "SELECT user name d.
  3. |' username r FROM dwd_user ",
  4. '',
  5. '' YES. ''
  6. '',
  7. "- Select user -",
  8. "f11_" | LPAD (a.DATA_ID, 4, '0'),
  9. NULL,
  10. 'NO '.
  11. )

  What is the data type of DWD_WAVE_ASSIGNMENT. WAVE_GROUP? If it is not a number, then it must be enclosed in quotes when it is used as a literal:

  apex_item.select_list_from_query(11, b."WAVE_USER",
  'SELECT username d, '
  
  ||'username r FROM dwd_user where groups = ' || dbms_assert.enquote_literal(b."WAVE_GROUP"),  
  
  '',
  'YES',
  '',
  '- Select User -',
  'f11_' || LPAD (a.DATA_ID, 4, '0'),
  NULL,
  'NO'
  )
  

• In the form of cascading select lists - what am I doing wrong?

  Friends,
  
  Hope you can help, I'm trying to figure out how to build a tabular presentation that contains the cascading select list.
  
  What I do is to reproduce the excellent example Denes Kubicek has developed here: http://apex.oracle.com/pls/otn/f?p=31517:176 in my own work space.
  
  While I can see it working on the environment hosted by Denis, I can't make it work in my area. I must be missing a step (or several!) After trying in vain to operate for several hours, now I'm hoping you can help.
  
  That's what I did:
  
  Created a sql report using the exact same sql provided.
  
  Created a process page (rendered page side) using the same code.
  
  Added javascript code to my html page header section
  
  Created a process of application, called tab_casc_sel_list which runs on request
  
  When I run the following page occurs:
  
  The select deptno list shows 'Research' while the employee select shows 'Ford '.
  
  However, when I change the selection dept list I get the following results:
  
  Use Internet Explorer: The list of selection used now becomes empty and shows no entries
  
  The use of Firefox: the employee entries are still posted, but they are not restricted by Department.
  
  What did I miss?
  
  Thanks in advance for any help you can provide.
  
  Ian

  Fixed.

  'Re missing you the application TAB_CASCADING_ITEM element

  See you soon

  Ben

• Tabular returns lines based on the selection list

  Howdy-

  An element of the selection list is used to select a job title.

  The tabular presentation returns lines of documents to be considered annually by the title of the post.

  A single column in a tabular form (the number of the document) is defined as a link so that the user can open and read the document.

  It works beautifully.

  But...

  Some job titles return a row of five documents, still others return more than a hundred, so when paging is used to move to the next set of lines in tabular form, updates the selection list and the selection is lost.  I have the Page Action selection list element when the modified value to Redirect and set the value, but the Type of Source is static that may be my problem.

  How can I use pagination while maintaining the value of the selection list?

  Thanks in advance.

  Alexandra

  Request Express 4.2.2.00.11 (by the way, I don't have our network administrator do a update to this version?)

  the value of the default selection on a hidden item list. When you select from the drop-down list, set the item also hid from the selected item.

• Can a selection list cause two lists of parent of Cascade?

  4.2.1

  THM:2

  Hello world

  I have two regions

  Region 1 has a selection list and a text called order box and category of the order. There could be several orders in a category. When I choose a selection list order, he fills the text box with the corresponding category by using dynamic "SetValue".

  Now, I also want the second region that has an another LOV orders, fills only order_ids not selected in region 1 LOV however, it should show only other orders in the same category.

  So something like select commands from P4_ORDERS1 where category and <>P4_ORDERS order_id = P4CATEGORY

  But seems to not work. I created this on Apex

  https://Apex.Oracle.com/pls/Apex/f?p=64292:4

  workspace: ryansun

  user: [email protected]

  PWD: ryansun123

  Ideally, when I select the No. 1 of the order of P4_orders, P4_ORDERS1 should show 4 for the other order_ids, that p4_orders1 will be null.

  Thank you

  Take at look at page 5 and 6.

  Page 5 the query for the LOV P5_ORDERS1 was modified to use the value of P5_ORDERS.  Not really necessary to include the value of P5_CATEGORY

  Page 6 the parent element is P6_CATEGORY for the LOV is updated when the value of P6_CATEGORY is modifed by the dynamic Action.  Dynamic Action will present the P6_ORDERS value in session state to be used by the LOV P6_ORDERS1.

  As for the original question in the title, a list of selection may have two lists of parent of cascade? The answer is Yes.  You can include 2 (separate control) in the area of the waterfall LOV article Parent (s).

  -Jeff

• Avoid repeating the selected values on the tabular form select list

  Hello

  I need help with the following situation:

  I have a selection list containing all departments. When the user selects a Department, a tabular presentation appears with a list of selection employees containing on this Department. When adding new employees (new lines), I would like to remove the current employees of the selection list without submitting the page to avoid duplicates.

  Something similar to this: http://apex.oracle.com/pls/apex/f?p=18:307, the problem with this example is that the number of lines is predefined and initially shows all values so if I change one, it erases all existing records.

  I created an example on apex.oracle.com:

  Workspace: EDIAZJORGE

  USER name: TEST

  PASSWORD: test123

  Application: 84395 - tabular

  Page: 1 - home

  Thank you for your help,

  
  

  Erick

  Hi Erick,.

  As a solution, I suggest to use an element of the shuttle in a form instead of a tabular presentation. I think that its functionality to meet your needs.

  Robert

  http://apexjscss.blogspot.com

• Possible a bug of cascading select list

  Hi people,

  I created a dynamic action "onChange" in a page called "P5_COD" element Always of value of "P5_COD" changes, it runs the PL/SQL code above to fill the page elements with data from database:

  Select

  PERIOD,

  BEGIN_DATE,

  END_DATE

  in

  : P5_PERIOD,.

  : P5_BEGIN_DATE,.

  : P5_FINISH_DATE

  Of...

  BEGIN_DATE and end_date are page elements "selection list. They are "Cascading LOV Parent article (s)" of the PERIOD (select list too).

  The problem is: 'onChange' dynamic action doesn´t work to load the elements of page BEGIN_DATE and end_date.  BEGIN_DATE and end_date loading default data, not the data of database.

  Any idea?

  Thank you

  Bsalvador

  Bsalvador

  First of all the code you listed does not change the value of objects client only in session state-side. In other words only on the server.

  Use a dynamic action of type 'Set value' to change the value on the client side.

  Then change the value of P5_PERIOD will trigger the change of the P5_BEGIN_DATE LOV: P5_FINISH_DATE and the values of these elements are initialized to null (client side only).

  In a similar challenge to define the value of the mother and child at the same time, I'm done setting the value of the child element in a hidden item. And on the afterrefresh event of the child, the value is set to the child.

  See this demo , I realized for the challenge.

  Nicolette

• How do the default editing a selection list after a change in another list of selection is made (not in cascade LOV).

  Hello

  I searched for the answer for a while now, but could not find a solution to my problem. It's a rather trivial issue, but after dealing with more urgent problems, I stuck with it and I can't move forward I use Apex 4.2.1

  OK, lets start with a description.

  I have two selection lists. After making a choice in the first, I would like to than the second value to change. It is not cascade LOV case, however, at least I don't.

  Let me give you an example. Suppose we have a table with name and default to the occupation.

  Name	By default occupancy
  John	Doctor
  Mark	Firefighter
  George	Firefighter
  Tom	Concierge

  End user first selects the name in the first list, then the occupation of another. It's perhaps not clearly in the example given, but the order of the questions.

  What I want is to force a change in the second value in the list after a choice in the first. So after the name is chosen, the occupation should switch to the default.

  The assignment is the most typical, but not the only one. So I want the end user to be able to change the occupation if necessary. Tom of sense is not to be janiotor, it can be whoever he wants this is why it is not cascade LOV problem.

  I tried with dynamic action - definition of value and then refresh. It works when the second selection list is the text field. I can't find a way to make it work with another selection list.

  Hope you can help.

  Concerning

  AEMs salvation,

  What I wanted with display and return value, you usually have a list of selection like this query:

  SELECT occupation d, occp_id r

  OF professions

  If your return value is an identifier. To use the text as return value is rather rare. Where my question, because obviously you must select the return value in your query, NOT the display value.

  So let me explain what is a set value. It takes the value of the server by using your query and AJAX in the background, then uses Javascript to set the value of the item in the browser.

  At this point your selection list still has the OLD value in the session. Then, you do a refresh and the element uses the old value, and it seems that nothing happens.

  So solution:

  -clear default values, you don't need those

  -get rid of refresh it in your DA

  Kind regards

  Joni

• Editing cascading from the selection list - not refreshing during the loading?

  Hi all
  
  I have 2 lists of selection, the latter with an option cascading of LOV.
  
  Now, this works very well when you select an option in the list 1, list 2 fills correctly.
  
  My question is when I re - complete list 1 and list 2 from a single onload procedure 1 load properly, list 2 does not show the correct value (but it has not the right value is session).
  
  This feature exist?
  
  Please let me know if you need more information.
  
  Concerning
  
  Spam

  Hello

  You have the following items in the pl/sql code of DA:

  begin
  select parent_id, child_id
   into :p1_parent, :p1_child
  from holder
  where parent_id = 1;
  end;
  

  You have the following in the query LOV's P1_CHILD:

  select col2 d, col1 r
  from child
  where col3 = :p1_parent
  

  P1_parent = 1, the LOV query returns 2 rows - DUNDEE and GLASGOW. The list of selection, therefore, cannot set a value. I changed the order of the day of the P1_CHILD page for a multiple-selection list and it works fine now.

• Get the selected value of a select list item in a tabular presentation.

  Hi, I have a tabular form and I'm trying to get the selected value of a select list item and store the selected value in a page element hidden elsewhere on the form of tables, so I can use this value.
  
  I already have something similar to the input on the tabular presentation elements.
  
  Get the initial values
  var line = $x_UpTill (this.triggeringElement, 'TR');
  numberOfItems var = $(' input [nom = "f12"]', ligne) [0];
  
  numberOfItems = 123456.123
  
  What I want to do is soemthing similar as above but capture the value of a select element in tabular form. I thought I could do something like:
  
  Get the selected value
  var line = $x_UpTill (this.triggeringElement, 'TR');
  numberOfItems var = $('selected [name = "f08"] .val ()', line) [0];
  
  But this method leaves the as undefined var numberOfItems.
  
  Please help me to find a way to identify the item 'select' in the tabular form called "f08" and get this value.
  
  I am a newbie to jQuery selectors etc...
  
  Thank you.

  Strange that you do not get an error when you run your 2nd selector.
  In any case for this kind of thing, see the HTML code of your tabular form and tell us what triggers, the element can be useful. Or better create an example at apex.oracle.com.
  In any case, I see two errors:
  (1) is there any html element "not selected" instead, the LOV in the APEX element has the select tag
  (2) you can not write a. val() inside a selector that you must place it after your selection.

  So I'd like to rewrite your code to:
  var line = $x_UpTill (this.triggeringElement, 'TR');
  numberOfItems = $("select_[nom_="f08"]",_row).val () var [0];