Re: [jasperreports-questions] dynamic xls report

[Henrique Oliveira]

Hi,

yes, there. Use the crosstab. See example on 
http://jasperreports.sourceforge.net/samples/index.html
Unfortunately yet not exist design graphic tool to draw the crosstab, 
but you can edit you xml and create it.



Manuel Grau Aracil wrote:

Hi! I need to make an excel report with dynamic fields and I don't 
know how. I need to generate a table, but I can't do a design before 
because the number and name of the colums are variable.Is there a 
method to do this with Jasper Reports?




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Re: [jasperreports-questions] Error MEssage printing using JasperPrint Object

[Henrique Oliveira]

Hi, (sorry for my English, it's terrible)

If you try do this, maybe solve you problem:

 JasperPrint jPrint = 
JasperFillManager.fillReport(reportFile.getPath(),parameters,con);


if(jPrint.getPages().size()  0)
{
  //JasperExportManager.exportReportToPdf(jPrint);
//or
   JRPdfExporter exporter = new JRPdfExporter();
exporter.setParameter(JRExporterParameter.JASPER_PRINT jPrint);

   ByteArrayOutputStream baos = new ByteArrayOutputStream();
   exporter.setParameter(JRExporterParameter.OUTPUT_STREAM, baos);
   exporter.exportReport();
  
   byte[] bytes = baos.toByteArray();

.

 }
else
{
   //empty report handler
}

[]'s


Meenakshi Singh wrote:



Anybody...PLEASE HELP me solve this problem.



Hi all,

I am using  JasperPrint.getPages().size() to determine if the report has
data in it or not.

Depending on the result I m forwarding it to an error page if it doesn't
have data.

It works fine with html and excel format. However, if I am unable to use it
in my pdf report as in my pdf report it doesn't return a jasper print object
, it returns bytes.
Below is the code for my pdf servlet.

Would anybody please help me as to how can I determine if teh report has any
data or not in my pdf format.

Thanks  Regards,
Meenakshi.

bytes =
JasperRunManager.runReportToPdf(
reportFile.getPath(),
parameters,
con);



response.setContentType(application/pdf);
response.setContentLength(bytes.length);
ServletOutputStream ouputStream = 
response.getOutputStream();
ouputStream.write(bytes, 0, bytes.length);
ouputStream.flush();
ouputStream.close();


}



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