created an attachment (id=156602)
report design

description:
the generated file can not be opened when preview a report with huge number of lines as xls.

build number:
2.5.2.v20100120-0630

steps to reproduce:
1. preview the attached report design in web viewer.

expected result:
the generated file can be opened.

actual result:
the generated file can not be opened.

error log:
xml parse error:  null or missing attribute value
  error occurs at or below this element stack:
    <ss:workbook>
     <ss:worksheet>
      <ss:table>
       <ss:row>
        <ss:cell>
created an attachment (id=156605)
a smaller report design

xiaodan's report is too big. it's better to reproduce the bug with this smaller report design.
created an attachment (id=156607)
report design
created an attachment (id=156608)
zip file of the generated files
fixed the problem.
verified in build (2.5.2.v20100126-0630), closed.