Thanks for your answer. The code the i found on the link, is to write a file, and I need to read a file. So, can you post me an example?? I have very few time to finish the application (1, 2 hours) and I haven't time to read all the docs... :D
Thanks a lot Roberto ----- Segue Messaggio Originale ----- Da : MSB <[email protected]> A : [email protected] oggetto : Re: Error with a XLS file Data : Thu, 28 May 2009 07:49:44 -0700 (PDT) > Hello Roberto, > > I have been following your conversation with Fillipo and > would like to ask a couple of questions please. > > In one of your replies, you said; > > Hi, I don't know how the file is saved (is automatically > generated by an ASPX page, with excel xml format) because > i download it from the web.... > > If the file is in the xml format then you do not want to > be using HSSF to process it but XSSF. HSSF is designed to > work with the older binary file format not the new OpenXML > based file format. You need to change the code that you > have written to use XSSFWorkbook, XSSFSheet, XSSFRow, > XSSFCell, etc. I do not think that the file's extension > should be a problem but you could easily change it from > .xls to .xlsx. > > If you think that you may need to process both BIFF8 and > OpenXML (binary and xml) files then you can use the > techniques described here; > > http://poi.apache.org/spreadsheet/converting.html > > under the heading; 'New, generic SS Usermodel Code' > > Hopefully, that should solve the problem though you do > need to be aware that Microsoft made an earlier attempt > with an xml based file format - in Office 2003. If the web > site has created a file using this format then POI cannot > open it - at least not as far as I am aware. > > > Roberto Santini wrote: > > > > Hi to all, I0m a new ITALIAN member. > > I've a problem reading an XLS file; this file is > > automatically generated by an ASPX page. > > The error I'm getting is: > > > > java.io.IOException: Invalid header signature; read > > 7813033141555149807, expected -2226271756974174256 > > > > There is a way to solve or the file is generated with an > > error so I can't read it? > > If i try to open the same file with Office, it run! > > > > Bye > > Roberto > > > > > ---------------------------------------------------------- > > --------- Roberto Santini > > www.lasfidacontinua.it > > > > MSN: [email protected] > > Skype: cent89 > > > > > ---------------------------------------------------------- > > ----------- To unsubscribe, e-mail: > > [email protected] For additional commands, > > e-mail: [email protected] > > > > > > -- > View this message in context: > http://www.nabble.com/Error-with-a-XLS-file-tp23757478p23763310.html > Sent from the POI - User mailing list archive at > Nabble.com. > > > ---------------------------------------------------------- > ----------- To unsubscribe, e-mail: > [email protected] For additional commands, > e-mail: [email protected] > ------------------------------------------------------------------- Roberto Santini www.lasfidacontinua.it MSN: [email protected] Skype: cent89 --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
