Subreport with columns

By: Gabriel - acharat
Subreport with columns
2002-10-15 06:11
I have one subreport with 4 columns.
In the main report I want 3 lines per column in the subreport, then I determine a specific height.

But the subreport doesn't respect this height and it goes to the end of the page with only one column.
What can I do ?

Thank you,
Acharat



By: Teodor Danciu - teodord
RE: Subreport with columns
2002-10-15 12:44

Hi,

That's a tricky one!
:))

The only solution I see is to introduce a group in the
subreport that will break with every 3 records,
and use isStartNewColumn="true" for it.
Check the "BreakGroup" in the "jasper" sample.

I've never tried it, but since you will do it anyway,
maybe you could tell me if it worked.
It might be that the page footer of the subreport still
go to the bottom of the page, but it might also work
very well.

Waiting for your confirmation.

Thank you,
Teodor



By: Gabriel - acharat
RE: Subreport with columns
2002-10-18 04:52
Hi,

It works and it doesn't work.
Now the subreport break column every 3 records. But, I have a page break too after the subreport, I don't know why.
If I put isStartNewColumn="false" then the subreport doesn't break in columns but the section after the subreport remains in the same page, immediately after.

Thank you,
Acharat



By: Teodor Danciu - teodord
RE: Subreport with columns
2002-10-18 12:26

Hi,

Well, ... sorry...
Thanks for trying it.

I'll give it a thought and maybe come up with
a solution.
This requirement of yours never crossed my mind.

Thank you,
Teodor



By: Teodor Danciu - teodord
RE: Subreport with columns
2002-11-11 20:57

Hi,

If I understand correctly, you want to control the
number of records per column in your subreport.

Lets say we have a subreport with 2 columns and
we want to display 3 records per column.
As we already saw, this can be achieved using
a dummy group that breaks with every 3 records
and starts a new column in the subreport.

But I'm not sure what you would expect the report
engine to do when the subreport data source
contains more than 6 records.
I have tested this and as I expected, the subreport
will provoke a page break to the master report and
it will continue with the 7th record on a new page.
For me, this is exactly what it should do.

Can you explain to me what did you expected to
see in this situation?
Maybe I didn't quite understand your problem.

Thank you,
Teodor



By: Gabriel - acharat
RE: Subreport with columns
2002-11-12 03:30
Hi,

In this case yes, for me too, in the 7th record the correct is a page break.
But in my test, if I have 5 records for example the page break occurs too, immediately after the subreport.
But if you have tested and this not occurs for you, then certainly I'm doing something wrong. I will do more tests.

Thank you,
Acharat



By: Teodor Danciu - teodord
RE: Subreport with columns
2002-11-12 12:47

Hi,

Oh, I see what you mean.
That page break is provoked by the summary
section of your subreport.
On multi-column reports or subreports,
the summary section will print on a new page
if the last page has started to fill second column.
This is because the summary section is wide as
a page and not as a column. See?

If you don't display anything on this summary
section, the you can force the engine to completely
ignore it either by deleting the <summary> element
from the subreport or by using
a <printWheExpression> that always returns
Boolean.FALSE for this band.
It might be that only the second solution works and
only if you use a recent version of the JasperReports library.

I hope this helps.
Teodor