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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 43807] New: - Problems with "sheet.addMergedRegion()" in Excel 2003 SP3 if colFrom is greater than colTo
Date Wed, 07 Nov 2007 15:16:57 GMT
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http://issues.apache.org/bugzilla/show_bug.cgi?id=43807

           Summary: Problems with "sheet.addMergedRegion()" in Excel 2003
                    SP3 if colFrom is greater than colTo
           Product: POI
           Version: 3.0
          Platform: All
        OS/Version: other
            Status: NEW
          Severity: normal
          Priority: P2
         Component: HSSF
        AssignedTo: dev@poi.apache.org
        ReportedBy: ciprian.mihalache@alcatel-lucent.ro


In a Java program which exports an xls file, let's say that we have the
following code:
HSSFWorkbook wb = ... //initialization goes here
HSSFSheet sheet = wb.getSheetAt(0);
sheet.addMergedRegion(new Region(1, (short)3, 1, (short)2));
//do other things there and in the end call wb.write(some FileOutputStream file)

If you open the exported file with Excel 2003 SP2 you will not receive any error
or warning message, and everything seems to be ok. 
If you open the exported file with Excel 2003 SP3 you get an error message that
Excel found unreadable content in that file. If you want it to recover the file,
all the exported data (numbers, Strings...) are present in the exported file,
but all cell styles, merged cells, preferred width for columns are lost.
Sincerely, I would prefer an IllegalArgumentException thrown by addMergedRegion
if colFrom is greater than colTo instead of this behavior.

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