Erorr handling in Report triggers

Hi all!
I don't know if this is the right place to post this question, but I guess it goes as well here as anyplace else...
I've got a problem with a report I'm building using Reports Developer 6i. In the after parameter form trigger I want to check the in parameters and adjust them to fetch the correct data. To do this I use a cursor to find a unit using the date as in parameter. However, sometimes when I enter the wrong in parameters, I don't find any units for the specified date. In that case I would like to show an empty report, but in stead, the report exits with an error ORA-01403 message. I tried to avoid this using a WHENEVER SQLERROR CONTINUE; statement, but then the trigger wouldn't compile. Are there any other solutions to this?
regards
/ Anders

Hi,
First Of All, WhenEver SqlError caluse won't work on d2k reports as its compatible only to SQL envoirnment.
To overcome your problem, try the following :-
1) Handle exceptions where-ever SELECT clause is being used
- Except Data models
Begin
Select .....
Into .....
From
Where ......;
EXCEPTION
When NO_DATA_FOUND Then Null;
When OTHERS Then
<<You may want to display Oracle Error Message >>
End;
WHEN NO_DATA_FOUND Exception will trap the error 0RA-1403 and the NULL clause will allow the program to continue
Ta
Shailender Mehta

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Hello all,
i want oto implement exception handling in report.
scenario:
i have a parameter form par.fmb
i provide parameter on form then call the report.
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below query is used in report:
SELECT SPC_ITEM_CODE,GENERATE_ITEM_NAME(SPC_ITEM_CODE),MOD_DATE,OBU,REQ_NO,REQ_QTY,OQC_QTY,SPC_ITEM_QTY,process
, INSP_LOT_SIZE,REMARKS,INSP_STATUS
FROM OQC_DATA
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as spc_item_code is column in OQC_DATA table, it any how there is null value in spc_item_code then error will raise, i and want to handle this error sothat ,
i found the reason.
Thanks
yash
Edited by: yash_08031983 on Jan 27, 2012 9:11 PM

yash_08031983 wrote:
Hello all,
i want oto implement exception handling in report.
scenario:
i have a parameter form par.fmb
i provide parameter on form then call the report.
if there is some error generate while query of report then how to handle it, so that user get the message.
below query is used in report:
SELECT SPC_ITEM_CODE,GENERATE_ITEM_NAME(SPC_ITEM_CODE),MOD_DATE,OBU,REQ_NO,REQ_QTY,OQC_QTY,SPC_ITEM_QTY,process
, INSP_LOT_SIZE,REMARKS,INSP_STATUS
FROM OQC_DATA
WHERE (REQ_NO=:REQ_NO OR :REQ_NO IS NULL) AND trunc(MOD_DATE) BETWEEN :FROM_DATE AND :TO_DATE
AND SPC_LOCN_CODE=:LOCN_CODE
ORDER BY REQ_NO,SPC_ITEM_CODE
here: GENERATE_ITEM_NAME(SPC_ITEM_CODE) is database function.
as spc_item_code is column in OQC_DATA table, it any how there is null value in spc_item_code then error will raise, i and want to handle this error sothat ,
i found the reason.You can handle the error in two way.
First from the function, you can use exception in it and through 0(zero) if it didn't get any value.
2nd use nvl function in the sql like nvl(GENERATE_ITEM_NAME(SPC_ITEM_CODE),0) if number data type or NVL(GENERATE_ITEM_NAME(SPC_ITEM_CODE),'n/a') if char data type output.
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Hello,
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Hi Jay,
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Manoj

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hi there,
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Hi Aparm,
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Hi All,
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-- the next statement delivers the expected result):
set serveroutput on;
begin
per7x.init_main;
dbms_output.put_line(per7x.get_main_value(1,1));
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per7x.init_main;
return (TRUE);
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-- I am connected to: Oracle Workgroup Server 7.3.2.3.1
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-- (Windows NT 4.0)
-- I use Developer/2000 version 2.0 (Reports 3.0.4.6.3)
-- on Windows 95,
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Renal Replacement Registry of the Netherlands (RENINE).
E-mail: [email protected]
null

hi,
i'm back.. :)
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begin
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loop
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DATA_CHANGED event handler is not triggered after input.(OO ALV)

Dear Experts,
What I did:
I register Enter as the trigger event for data_changed event, and I put my checking logic in data_changed_handler which is a method of a local class. When the checking fails, I put messages using er_data_changed->add_protocal_entry to show messages.
My checking is simple, if the cell is empty, error messages pops up tells that this cell can not be blank for this row.
My problem:
When there is no entry in the alv list(Only this situation), I insert a new entry, the cell which is required is empty, I press Enter, data_changed event is triggered, the message pops up saying that the cell is required. Then close the pop up message window, I input something in the cell, and press enter. The data_changed event is not triggered.
Is there any1 has any ideas on this problem?
Vicnent
Edited by: Changjiu Tan on Sep 7, 2009 1:33 PM

METHOD HANDLE_DATA_CHANGED.                               "#EC NEEDED
*<<< BEGIN MODIFY EXAMPLE CODE
*   u4FDDu5B58u30C7u30FCu30BFu3092u7DE8u96C6u3059u308Bu3000START
    DATA: LW_INS      TYPE LVC_S_MOCE,
          LV_FNAME    TYPE LVC_FNAME,
          LW_MOD      TYPE LVC_S_MODI,
          LV_MAX      TYPE I,
          LV_RES(12) TYPE C,
          LW_LIST     TYPE ZTSRE012,
          LV_ROWID    TYPE LVC_S_ROID,
          LT_MOD      TYPE LVC_T_MODI,
          LV_COLID    TYPE LVC_S_COL,
          LV_ROW_ID    TYPE LVC_S_ROW,
          LV_COL_ID    TYPE LVC_S_COL.
*   u73FEu5728u306Eu30D5u30A9u30FCu30ABu30B9u4F4Du7F6Eu3092u53D6u5F97
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      IF LW_LIST-ID > LV_MAX.
        LV_MAX = LW_LIST-ID.
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*   u30B0u30EBu30FCu30D7ID
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*   u30C7u30FCu30BFu30C1u30A7u30C3u30AF
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      IF LW_MOD-FIELDNAME = CNS_ZZTTSN.
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        LV_ROWID-ROW_ID    = LW_MOD-ROW_ID.
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          EXPORTING
            IS_COLUMN_ID = LV_COLID
            IS_ROW_NO    = LV_ROWID.
        CALL METHOD GO_ALV_GRID7->GET_CURRENT_CELL
          IMPORTING
            E_VALUE = LV_RES.
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              I_FIELDNAME = LW_MOD-FIELDNAME
              I_ROW_ID    = LW_MOD-ROW_ID.
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            I_ROW_ID    = LW_MOD-ROW_ID
            I_FIELDNAME = LW_MOD-FIELDNAME
            I_VALUE     = LV_RES.
       ENDIF.
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              LV_COLID,
              LV_ROWID.
    ENDLOOP.
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      EXPORTING
        IS_ROW_ID    = LV_ROW_ID
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ENDMETHOD.                    "handle_data_changed
Edited by: Changjiu Tan on Sep 7, 2009 1:31 PM
Edited by: Changjiu Tan on Sep 7, 2009 1:32 PM

Before report triggers in crystal

Post Author: vdm
CA Forum: Data Connectivity and SQL
Hi,
I need to develop a report the data for which cannot be easily selected from tables using a sql statement. It needs to first call a stored procedure which would populate some temp tables and crystal would then report from these temp tables.I am from Oracle reports background which has a before report trigger in which you could put any of this pre-processing but not sure if crystal (CR XI) has the equivalent of that.what I did try with crystal was this :- 1. On my main report I have this query - select * from temp......2.I have put a sub-report in my Report Header section. This sub-report calls a sql server stored procedure which populates the temp table.But what I am finding is that before the sub-report is called crystal has already executed the select statement -which is still empty at this stage.Question:1.What I am trying to do is just not possible to do in crystal ?2. Or is there a way that I can stop crystal from executing the main select statement until the sub-report has been called ?thanks in advanceVishal

Post Author: bettername
CA Forum: Data Connectivity and SQL
Why not just use a single Command object as your datasource, and have it contain the following sql:
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when a trigerred report executes, blank pages print, however when the smae report is run from the menu system it is ok. Have already applied patch 3a. any tips

<BLOCKQUOTE><font size="1" face="Verdana, Arial">quote:</font><HR>Originally posted by Grant Duncan ([email protected]):
when a trigerred report executes, blank pages print, however when the smae report is run from the menu system it is ok. Have already applied patch 3a. any tips<HR></BLOCKQUOTE>
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Hello All,
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Gowri

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Girish

Erorr handling in Report triggers

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