Master-detail report, hide detail on new search

Hi, I'm newbie, so I need help. I have Master-detail report on same page. Master is interactive report, detail is SQL report which use hidden item as condition.
For display detail data I use edit link. But I have problem when I make new search on master, detail still shows the old data.
Can somebody tell me, how can I hide details , when I make new search on master? Or set hidden item to null, when I make new search?
Example you can see in http://htmldb.oracle.com/pls/otn/f?p=51834:4 . Login : demo/demo
Thanks
Igor
PS: Sorry on my broken English

Hi,
This can be achieved by doing something like the following:
Have a single SQL statement that joins the two tables together. eg,
select p.project_title,
d.project_detail1,
d.project_detail2,
etc
from projects p
inner join details d on d.project_id = p.project_id
This will provide a flat table with the project title in the first column for all records.
Then, in the Report Attributes, you need to switch on Column Breaks:
In the Break Formatting section, set Breaks to "First Column"
In the When displaying a break column use this format, enter #project_title#
In the Identify how you would like your breaks to be displayed, select "Repeat headings on break"
Finally, clear the "Show" tick for the project_title column
There's probably something you could do to improve formatting etc, but this should give you a start.
Regards
Andy

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www.oracle.com/technology/oramag/oracle/07-may/o37sql.html
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Ahmed_Jed wrote:
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Regards
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SELECT SYS_XMLAGG (
SYS_XMLGEN(
dept_row(
d.deptno, d.dname, d.loc,
CAST(MULTISET(SELECT e.empno, e.ename, e.job, e.mgr, e.hiredate, e.sal, e.comm
FROM emp e
WHERE e.deptno = d.deptno) AS emp_tab)
SYS.XMLGENFORMATtYPE.createFormat('DEPT')
) AS "XML_QUERY"
FROM dept d
WHERE d.deptno = 10;
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Regards,
Kiran

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