Feb 9, 2011 at 10:34 AM
Edited Feb 9, 2011 at 10:36 AM
Hi I've been following this guide:
and after all is done, as I trigger the action and supposing to download/open an excel file, I managed to do both except that the file opened is empty with the error box:
"Excel cannot open the file 'Groups list .xlsx' because the file format or file extension is not valid. Verify that the file has not been corrupted and that the file extension matches the format of the file."
I'm not sure if this problem was similar: http://phpexcel.codeplex.com/Thread/View.aspx?ThreadId=53274
But it sounds like the same problem, the last one. Not sure though, but does anyone here care to share what's going on?