From: Wayne Brissette <waynefb@...>
Date: 2011-11-23T18:24:53+09:00
Subject: Re: Create Excel Sheet(.xls/.xlsx)

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On Nov 23, 2011, at 1:33 AM, Mamba Black wrote:
>=20
> It creates an excel file(test.xls), but when I try to open the file I
> get an alert box as shown in the attachment.
>=20
> I working on Windows 7, MS Office 2007
>=20
> Thanks
>=20
> Attachments:
> http://www.ruby-forum.com/attachment/6783/excel.png


At first glance without seeing what you're actually writing, I would say =
this is because you're not actually writing out the binary .xls format =
Excel is expecting. Your best option is to write out the XML version of =
Excel files (.xlsx). You can get the complete specification for the XML =
you need here: =
http://msdn.microsoft.com/en-us/library/dd922181(v=3Doffice.12).aspx

Wayne=

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