Difference between After parameter Form Trigger and before Report Trigger

hi,
Can some one tell me difference between After parameter form Trigger and Before parameter trigger.
Why do we need both these trigger , why can't we use any one of them because after parameter trigger will obviously fire before report trigger and similarly before report trigger will fire after parameter form.
Thanks
Ram

Hi,
i will make it clear..!
Actually, we have four type of triggers in reports..!
Before Parameter -- fires before params are suppied to the calling report..
After Parameter -- fires after params are suppied to the calling report..
Before Report -- fires before report is generated..
After Report. -- fires after report is generated..
Before Report and After Report triggers are used for formatting the report design..
like u can specify a report to be displayed based on a condition in the Before
Report trigger and u can specify some backend updations in the after report trigger
which fires after report is generated..

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Difference between After parameter Trigger and befor report Trigger

hi,
Can anyone tell me Functional difference between After parameter Trigger and Before Report Trigger. with some practical example or scenario.
I did try few things but I couldn't make out any difference.
thanks
ram

Probably none at this point.
We pass parameters from a form (and do not use the report param selection screen), but always run code in the afterpform.
put your parameter form code processing in the afterpform. I rarely ever use before report.
The order is as expected:
before pform
param form
after pform
before report
report
--between pages during report run
after report

Calling report from form and after parameter form trigger

Hi, I've also posted to this to the reports forum but because it works from Reports Builder it may be a forms issue which is why I'm x-posting. Apologies.
I have a report that creates a file, desname is set in the after parameter form trigger (it uses one of the parameter values).
The problem is file is not created using the path and filename set in the trigger, the file is created in the bin folder with the name account_by_service_type.txt (account_by_service_type.rdf is the report definition).
If the desname is set in the before parameter form AND a field with the source=desname is added to the parameter form then the file will be created with the correct path and name however it won't have the relevant parameter incorporated into the file name obviously.
I've noticed in other reports that where the desname is being set in the after parameter form that I've had to pass the desname from the form but obviously I cannot do that here either.
Am I missing something obvious?
Regards
Sean

Hi Frank,
It's WebForms. Below is the code:
-- call from menu item
run_report_object_proc(TRUE,'accounts_by_service_type.RDF',null,FILE,'delimited','paramform=yes');
-- run_report_0bject procedure
PROCEDURE run_report_object_proc (p_screen IN BOOLEAN,
                    p_report_filename IN VARCHAR2,
                    p_desname IN VARCHAR2,
                    p_destype IN NUMBER,
                    p_desformat IN VARCHAR2,
                    p_paramform IN VARCHAR2)IS
v_report_id     report_object;
v_report     varchar2(100);
v_job_id     varchar2(100);
v_url          varchar2(1000);
rep_status     varchar2(20);
hidden_action     VARCHAR2(2000)     :='';
BEGIN
v_report_id := find_report_object( 'report2');
SET_REPORT_OBJECT_PROPERTY(v_report_id,REPORT_FILENAME,p_report_filename);
SET_REPORT_OBJECT_PROPERTY(v_report_id,REPORT_DESNAME,p_desname);
SET_REPORT_OBJECT_PROPERTY(v_report_id,REPORT_DESTYPE,p_destype);
SET_REPORT_OBJECT_PROPERTY(v_report_id,REPORT_DESFORMAT,p_desformat);
hidden_action := hidden_action||'&report='||GET_REPORT_OBJECT_PROPERTY(v_report_id, REPORT_FILENAME);
hidden_action := hidden_action||'&destype='||GET_REPORT_OBJECT_PROPERTY(v_report_id, REPORT_DESTYPE);
hidden_action := hidden_action||'&desformat='||GET_REPORT_OBJECT_PROPERTY(v_report_id, REPORT_DESFORMAT);
hidden_action := hidden_action||'&userid='||GET_APPLICATION_PROPERTY(username)||'/'||GET_APPLICATION_PROPERTY(password)||'@'||GET_APPLICATION_PROPERTY(connect_string);
if p_desname is not null then
hidden_action := hidden_action||'&'||p_paramform||'&desname='||p_desname;
else
hidden_action := hidden_action||'&'||p_paramform;
end if;
hidden_action := '/reports/rwservlet?_hidden_server=rserv1'||hidden_action;
SET_REPORT_OBJECT_PROPERTY(v_report_id, REPORT_OTHER, 'pfaction='||hidden_action||' '||p_paramform);
-- SET_REPORT_OBJECT_PROPERTY(v_report_id, REPORT_OTHER, 'paramform=no');
v_report := run_report_object( v_report_id);
IF p_screen THEN
     v_job_id := substr(v_report,instr(v_report,'_',-1)+1);
rep_status:=report_object_status(v_report);
while rep_status in ('RUNNING', 'OPENING_REPORT', 'ENQUEUED')
loop
     rep_status:=report_object_status(v_report);
end loop;
if rep_status='FINISHED' THEN
     v_url := '/reports/rwservlet/getjobid'||v_job_id||'?server=rserv1';
          web.show_document(v_url,'_blank');
else
     message(rep_status||' error running report');
end if;
end if;
END;
-- report after parameter form trigger
function AfterPForm return boolean is
begin
:desname := 'c:\service_type_'||:p_service_type||'_'||to_char(sysdate,'DDMMYYYY')||'.xls';
return (TRUE);
end;

Report Builder 6i returns ORA-01483 in after parameter form trigger ?

Can anybody help me ?
I've been working on a report with report builder 6.0.8.11.3,
and whenever i run the report the after parameter form trigger
returns REP-1401 and following ORA-01483.
I've been trying to change the values of some user parameters
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parameter, these are character variables who would be referenced
lexically to change a table name dynamically when the trigger
fires. Aditionally I'm using a cursor to obtain data and then
modify the parameters.
How can i get this thing to work ?
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hello,
this might be related to the usage of number(1) as type/length
of your parameter. this is a known problem. it should be solved
by using e.g. number(2) as the type/length of your parameter.
regards,
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After Parameter Form trigger failed

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Hi Maggie
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In Your code there is a line:
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The code is as follows:
function AfterPForm return boolean is
CURSOR CUR_RECEIPT(RECEIPT_NUM_FROM NUMBER, RECEIPT_NUM_TO NUMBER) IS
SELECT DISTINCT receipt, item_no FROM xxeeg.xxeeg_1229_sp_putaway WHERE RECEIPT BETWEEN
RECEIPT_NUM_FROM AND RECEIPT_NUM_TO ;
V_CUR_RECEIPT CUR_RECEIPT%ROWTYPE;
begin
OPEN CUR_RECEIPT(:RECEIPT_NUM_FROM, :RECEIPT_NUM_TO);
FETCH CUR_RECEIPT
INTO V_CUR_RECEIPT;
LOOP
EXIT WHEN CUR_RECEIPT%NOTFOUND;
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(RECEIPT, ITEM_NO, LOCATION1)
VALUES
(V_CUR_RECEIPT.RECEIPT, V_CUR_RECEIPT.ITEM_NO, 10);
UPDATE SP_TEMP
SET LOCATION2 = 12
WHERE RECEIPT = V_CUR_RECEIPT.RECEIPT AND ITEM_NO = V_CUR_RECEIPT.ITEM_NO;
UPDATE SP_TEMP
SET LOCATION3 = 13
WHERE RECEIPT = V_CUR_RECEIPT.RECEIPT AND ITEM_NO = V_CUR_RECEIPT.ITEM_NO;
UPDATE SP_TEMP
SET LOCATION4 = 14
WHERE RECEIPT = V_CUR_RECEIPT.RECEIPT AND ITEM_NO = V_CUR_RECEIPT.ITEM_NO;
ELSE
IF V_CUR_RECEIPT.ITEM_NO = 'TEST2' AND V_CUR_RECEIPT.RECEIPT = '12' THEN
INSERT INTO SP_TEMP
(RECEIPT, ITEM_NO, LOCATION1)
VALUES
(V_CUR_RECEIPT.RECEIPT, V_CUR_RECEIPT.ITEM_NO, 10);
UPDATE SP_TEMP
SET LOCATION2 = 16
WHERE RECEIPT = V_CUR_RECEIPT.RECEIPT AND ITEM_NO = V_CUR_RECEIPT.ITEM_NO;
UPDATE SP_TEMP
SET LOCATION3 = 17
WHERE RECEIPT = V_CUR_RECEIPT.RECEIPT AND ITEM_NO =V_CUR_RECEIPT.ITEM_NO;
UPDATE SP_TEMP
SET LOCATION4 = 18
WHERE RECEIPT = V_CUR_RECEIPT.RECEIPT AND ITEM_NO = V_CUR_RECEIPT.ITEM_NO;
ELSE
INSERT INTO SP_TEMP
(RECEIPT, ITEM_NO, LOCATION1)
VALUES
(V_CUR_RECEIPT.RECEIPT, V_CUR_RECEIPT.ITEM_NO, 10);
UPDATE SP_TEMP
SET LOCATION2 = 19
WHERE RECEIPT = V_CUR_RECEIPT.RECEIPT AND ITEM_NO = V_CUR_RECEIPT.ITEM_NO;
UPDATE SP_TEMP
SET LOCATION3 = 20
WHERE RECEIPT = V_CUR_RECEIPT.RECEIPT AND ITEM_NO =V_CUR_RECEIPT.ITEM_NO;
UPDATE SP_TEMP
SET LOCATION4 = 21
WHERE RECEIPT = V_CUR_RECEIPT.RECEIPT AND ITEM_NO = V_CUR_RECEIPT.ITEM_NO;
END IF;
END IF;
END LOOP;
COMMIT;
CLOSE CUR_RECEIPT;
return(TRUE);
end;
.....................................................................................................................

Want to Create View as per Condition Fires After Parameter Form.

Hi ..
I want to create a report from a view,and that view would create after parameter form of that
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Waiting for Reply
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hi,
I'm calling Emp.rdf report with deptno as parameter and if the parameter is '10' then i have to call dept.rdf
function AfterPForm return boolean is
begin
if :p_deptno =10 then
srw.run_report('report=c:\reports\dept.rdf destype=screen p_deptno='||:p_deptno);
end if;
return (TRUE);
end;
But, now i'm getting an error as
REP-1428: afterpform': Error while running SRW.RUN_REPORT
Could you please help on this. thanks Bcj

Hi , I have tried destype=file , didn't work for me. same time i tried with background=yes , that time report crashed.
Actualy what i'm trying to do is,
whenever the main report received an incorrect user input , i have to run a different report based on that particular input value and to show the users the actual input values.
so the coding would be like this in the after parameter form,
BEGIN
IF :P_ID between 1000 and 5000 then
--here i'm only changing the paramter value ,
ELSE
--here i'm calling the new report
srw.run_report('report=c:\reports\emp.rdf batch=yes destype=file desname c:\reports\id.txt background=yes p_new_id='|| :p_id);
return(true);
END;
Any help....

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Edited by: Ramakanth Deepak Gandepalli on Jan 29, 2010 5:14 AM

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