Creation of Record Group and LOV at run time

Hello All,
I have been stuck by this...I have two text items on which LOVs have been placed.Selection of one depends on selection of other.I can dynamically create a record group but how to create a LOV dynamically to populate it with the dynamic record group been created.
For more visualization consider that filtering of data takes place in one lOV based on the other LOV been provided.
Revert ASAP...
Thanks and Regards,
Kapil Uppal

I don't think you can create a LOV dynamically, but you can repopulate a pre-existing one, which should allow you to achieve the same goal.

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(urgent) Dynamic record groups and LOV

I have to create a record group and then add 2 rows to it manually.Following is the code.There are no values displayed in the lov.Please help.
PROCEDURE create_record_group IS
BEGIN
DECLARE
rg varchar2(40) := 'test_fips';
rg_id RECORDGROUP;
lov_id Lov;
err NUMBER;
gc_id1 GROUPCOLUMN;
gc_id2 GROUPCOLUMN;
counter number;
BEGIN
rg_id := FIND_GROUP(rg);
lov_id := FIND_LOV('LOV_FIPS');
IF NOT ID_NULL(rg_id) THEN
DELETE_GROUP(rg_id);
END IF;
IF ID_NULL(rg_id) THEN
rg_id := CREATE_GROUP(rg);
gc_id1 := add_group_column (rg_id,'col1',number_column);
gc_id2 := add_group_column(rg_id,'col2',char_column,40);
END IF;
/* adding static content to LOV */
ADD_GROUP_ROW( rg_id,1);
SET_GROUP_NUMBER_CELL(gc_id1,1,997);
SET_GROUP_CHAR_CELL(gc_id2,1,'MLAB');
counter := get_group_row_count(rg_id);
/* adding dynamic content */
FOR rec in (SELECT FIPS_CD COL1, LOCNAME COL2 FROM FIPS) LOOP
counter := counter +1 ;
ADD_GROUP_ROW( rg_id, counter);
SET_GROUP_NUMBER_CELL(gc_id1,counter,rec.col1);
SET_GROUP_CHAR_CELL(gc_id2,counter,rec.col2);
END LOOP;
SET_LOV_PROPERTY('LOV_FIPS',GROUP_NAME, rg);
END;
END;

I tried creating the group the way you suggested but it does not seem to work because of 'UNION' in the query.It says unable to create rcord group.Did you anytime use the 'UNION' option while creating record group.
While creating record group at design time also you cannot use UNION with dual.
This how I modified :
PROCEDURE create_record_group IS
BEGIN
DECLARE
V_RG_ID RECORDGROUP;
RG_NAME VARCHAR2(20) := 'TEST_FIPS';
V_ERRCODE NUMBER;
BEGIN
V_RG_ID := FIND_GROUP('TEST_FIPS');
IF ID_NULL(V_RG_ID) THEN
V_RG_ID := CREATE_GROUP_FROM_QUERY('TEST_FIPS', 'SELECT FIPS_CD, LOCNAME FROM FIPS
UNION SELECT 997,'MLAB' FROM DUAL');
END IF;
V_ERRCODE := POPULATE_GROUP(V_RG_ID);
MESSAGE('CREATED '|| V_ERRCODE);
SET_LOV_PROPERTY('LOV_FIPS',GROUP_NAME, RG_NAME);
END;
END;
Notice here 'MLAB' is char and I get compilation error if I use these quotes with MLAB.But is I remove the quotes the it compiles.
Thanks

Static record group and lov problem

hi all,
1)I created a form module
2)created a basic datablock based on empno and ename from emp table.
3) created a static record group ,where i specified the column name as col1,provided the values as 1 ,2,3,4,5 etc
4) created an LOV and assigned the above record group to the LOV
5) then assigned the lov to the emp.empno item in the datablock emp....
when i run the form .....i get the list of values message on the console (bottom end of the window) ....
but I am not able to see the LOV when i press the cntrl L or see it from the edit menu command ?
what must be the problem ?
ta
s

Dear,
May be you don't set LOV's "Column Mapping Properties". After setting the properties correctly you will be able to display LOV.
Thanks.

Record groups and LOV

HI
I have a question regarding LOV's.
I have 2 fields dept_code which is a checkbox and field2 which is an LOV displaying the employee names based on the dept_code selected.
My record group has a query like this -
SELECT empname FROM emp WHERE dept_code IN(:parameter.P_dept_code). p_dept_code is char.
If the user enters multiple department codes then my p_dept_code should contain commas and single quotes for each department like this ('m10','m20')
In which trigger do I do this coding and how do I do it?
Thanks.

Hi
Thanks for your response.
The key-listval does'nt seem to firing.
When I run the form the lov comes up but displays the value 2 which is from the default record group(select 1 "dno", 2 "ename" from dual).
This is the code in my key-listval -
DECLARE
rg_name VARCHAR2(40) := 'name_rg';
rg_id RecordGroup;
gc_id GroupColumn;
errcode NUMBER;
BEGIN
rg_id := Find_Group(rg_name);
IF Id_Null(rg_id) THEN
rg_id := Create_Group(rg_name);
gc_id := Add_Group_Column(rg_id, 'dno',
CHAR_COLUMN,10);
gc_id := Add_Group_Column(rg_id, 'empno',
CHAR_COLUMN,100);
END IF;
:parameter.p_dno := ''''||replace(:parameter.p_dno,',',''',''')||'''';
errcode := Populate_Group_With_Query( rg_id,
'select dno dno, ename ename from emp1 where dno in ('|| :parameter.p_dno|| ')' );
set_lov_property('name_lov', GROUP_NAME, rg_name);
list_values;
message(errcode);
END;
Please let me know what I'm doing wrong
TIA

Dynamic creation of record group

Hi
Can anyone suggest me with an example about how to create a dynamic record group and attach it to a lov ?
Regards

Hi,
Thanks for your reply
DECLARE
rg_name VARCHAR2(40) := 'COMPANY_RANGE';
rg_id RecordGroup;
errcode NUMBER;
lov_id LOV;
BEGIN
:System.Message_Level := 0;
rg_id := Find_Group( rg_name );
IF Id_Null(rg_id) THEN
rg_id := Create_Group_From_Query( rg_name||'_TMP', 'select COMPANIES_ID from SYSMODULE.COMPANIES where 1=2');
Set_LOV_Property(lov_id,GROUP_NAME,rg_name||'_TMP');
rg_id := Create_Group_From_Query( rg_name, 'select COMPANIES_ID from SYSMODULE.COMPANIES');
IF Id_Null(rg_id) THEN
Message(' Create group failed');
Message(' ',no_acknowledge);
Raise Form_trigger_failure;
End if;
END IF;
errcode := Populate_Group( rg_id );
lov_id := Find_LOV('LOV7');
Set_LOV_Property(lov_id,GROUP_NAME,rg_name);
END;
The above code, I have placed in when new form instance .. still the same error
when new block instance --- same error
in push button --- same error
FRM-30048: Unable to find record group .
LOV LOV7
Form: DYNAMIC_LOV_CREATION
FRM-30085: Unable to adjust form for output.
Where i am going wrong ..
Regards

Record Group and From-Clause Datasource

I need to do several complex queries (read-only) for my form. Original I used From-Clause datasource but, as the requirement changed, there are some limitations. I would rather no do anything dynamically if as all possible because there are over 20 such queries which makes the code difficult to maintain. I wanted to be able to reference block items in the query.
I'm thinking about using Record Group query instead. What are the differences in capability between Record Groups and From-Clause Datasource?
Thanks.
Clayton.

Thanks.
That's exactly the problem I have. I don't want to use LOVs so I've been thinking about how to visualize the record group data using data blocks. Perhaps I'll just go with dynamically building the From-Clause.
I've looked into stored procedure based blocks a bit; it was confusing for me. Are the stored procedures stored in the database or are they defined in the form?

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can we change [maximum number of records per page] property at run time in report 6i

Ravi,
I hope you are already done with this. In the invoice there is a nice example you can use on the xml blogs.
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<xsl:variable name="lpp" select="number(13)"/>
<?for-each@section:LIST_G_INVOICE?>
<xsl:variable xdofo:ctx="incontext" name="invLines" select=".//G_LINES[LINE_TYPE='LINE']"/>
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Has anyone else seen the "Excel cannot complete this task with available resources" error message appear when Excel isn't even open? It keeps happening to me, and it's the strangest thing.
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Excel VBA or Word/Outlook but I assume it's Excel - it's the good old 1004, application-defined or object-defined error).
Debug is greyed out, so it won't let me debug to see what the problem is. Choosing End brings the "Excel cannot complete this task with available resources" message back for one final performance.
This happens on a not-infrequent basis: Excel isn't open, and I randomly get this set of Excel errors: 1) "cannot complete task", 2) VBA run-time, 3) "cannot complete task" again. Then it's done, until the next time it happens. Weird.
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Hi,
As the memory error messages , it can be very generic and don't always identify the real cause of the issue. We may try to use the KB that Mr. KR mentioned above to troubleshoot it.
On the other hand, if the file is xls format, we may convert to the new file format .XLSM and test.
http://www.experts-exchange.com/Software/Office_Productivity/Office_Suites/MS_Office/Excel/Q_28339883.html
Next, try to disable hardware graphics acceleration from File > Options > Advanced > Display section and disable Aero Themes (if you enabled) to check the results.
For the hangs and crashes issues, we may use ADPlus.vbs to troubleshoot:
http://support.microsoft.com/kb/286350/en-us
http://www.networksteve.com/exchange/topic.php/Excel_cannot_complete_this_task_with_available_resources_error,/?TopicId=39411&Posts=1
Please Note: Since the web site is not hosted by Microsoft, the link may change without notice. Microsoft does not guarantee the accuracy of this information.
Hope it's helpful.
George Zhao
TechNet Community Support

Recording, grouping and playing an action...I am stumped!

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glissonamanda wrote:
Before I am done recording these actions I like to group them.
Why are you trying to record steps like moving actions to group them and such. You should stop recording the actions. Then move, group and organize them the way you want. After that you should save all the action set you messed with so you don't loose the new actions you recorded and have save them organized and grouped the way you want. If you record steps the move and copy actions mess with actions when you play the action these steps are recorded in the action will more then likely mess up actions and the grouping you did.
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Create lov at run time in oracle form 10g

i want to create a lov and record group dynamically at run time..
i have the code in when-form-instance..
Declare
v_lov lov;
rg_id recordgroup;
gc_id groupcolumn;
tem_num number;
v_rg_id number;
begin
rg_id := find_group('My group');
if id_null(rg_id) then
rg_id := Create_group('My_group');
gc_id := add_group_column(rg_id,'emp_id',number_column);
gc_id := add_group_column(rg_id,'ename',char_column,15);
end if;
v_rg_id := POPULATE_GROUP_WITH_QUERY('My_group','select t.employee_id,t.first_name from employee_mt t where t.employee_id in (103,104,106)');
--tem_num :=populate_group(rg_id);
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set_lov_property(v_lov,group_name,'My_group');
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now i have problem...whether i create first a lov and record group at design time or not????
if i create a lov and have the recordgroup column then what is the benefit of dynamically lov...???
thanks

Hi.
It is possible with some restrictions. Let's say you agree there are max 5 columns in your LOV-s. That way you can easily create LOV to RG colums mapping (what Andreas pointed out).
For example :
1. in design time create RG with dummy columns (for example : c1, c2, c3, c4, c5)
2. in design time create 1 LOV with 5 predefind columns (for example : c1, c2, c3, c4, c5)
3. populate that record group with select (selecting 5 columns. If you do not have 5 columns in your table on which LOV is based just select dummy columns for the rest of the columns) aliasing them as c1, c2, c3, c4, c5 (same as in LOV from step 2)
4. asign that RG to the LOV in step 1
5. in LOV show just "non-dummy" rows form step 3
The rest you already figured it out.
The benefit of this approach is questionable as the same can be done creating more RG and LOV-s in design time. So I believe this is the matter of developer preferences. By the way the concept I described we use on daily bases dealing with LOV-s.
Best regards.

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I want to populate my LOV with with say
SELECT NAME FROM MY_TABLE
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Thanks.

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Okay. I got the video and audio all together. I told you I'd link to it when it was up.
http://www.youtube.com/watch?v=FxssYpUNJm8
There's also a copy of it at http://www.myspace.com/bonjimmy/
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Creation of Record Group and LOV at run time

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