How to handle empty columns

Hi guys,
I have a template like below
for each
Field1 Field2 Field3
Field4 Field5 Field5
end for each
I used a if condition to hide the field when the value is null.
The report looks like below
Field1 Field2 Field3
NULL NULL Field6
Field7 NULL NULL
Question is how to make the report look better?

Hi
once check this
https://blogs.oracle.com/xmlpublisher/entry/conditional_rows_and_columns

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We are in 11G
Here is a complete exemple:
1) The table definition:
create table IMPORT_PRJ_TIMESHEETS
RESSOURCE_CODE VARCHAR2(20),
REFERENCE_DATE VARCHAR2(20),
STATUS         VARCHAR2(20),
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, JOUR1                CHAR
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, JOUR3                CHAR
, JOUR4                CHAR
, JOUR5                CHAR
, JOUR6                CHAR
, JOUR7                CHAR
, IMPORT_DATE          SYSDATE
{code}
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{code}
ID projet*-*ID tâche*-*Tâche/Description*-*RàF*-*lun. 13/07*-*mar. 14/07*-*mer. 15/07*-*jeu. 16/07*-*ven. 17/07*-*sam. 18/07*-*dim. 19/07*-*
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I hope it's clear enough and that you will be able to provide a good answer ..
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Thanks for your reply ... it was helpful..
here is the current CTL I use with the datafile above:
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CHARACTERSET WE8ISO8859P1
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, STATUS               CONSTANT '!STATUS!'
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, TACHE_ID             CHAR
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, RAF                  CHAR "TO_NUMBER( :RAF, '999G999D99')"
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, JOUR2                CHAR
, JOUR3                CHAR
, JOUR4                CHAR
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, JOUR6                CHAR
, JOUR7                CHAR
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I have removed line " WHEN PROJET_CODE != 'ID projet'   " , because when I use it, because column is NULL .. it doesn't take the NULL into consideration... and as a results, there is only one line loaded, and not the 3 others !
Now, when I remove line " WHEN PROJET_CODE != 'ID projet'   " , I get the results that I want (4 lines loaded), BUT a BAD file is created (with the first row, the one that starts with 'ID projet' )
I understand that this is normal behaviour with this CTL.
But would it be possible to not put this 'ID projet' line into the BAD file (so that the directory is not polluted with numerous BAD files)
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       But this doesn't work..
Do you have any advice to provide ?
Thanks in advance
Olivier

How to handle empty columns

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