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I have an Excel file inside a Zip. In order to access the files of the zip I'm using ZipArchive and going through each entry and I want to convert the stream of the ZipArchiveEntry into a DataTable without using FileStream because I don't know the path or have any info about the file.

What I have tried:

foreach(var entry in zipArchive.Entries)
  using (var stream = entry.Open()){
   //here i want to convert this stream to DataTable
Updated 17-Jun-22 9:56am
PIEBALDconsult 17-Jun-22 16:23pm    
I'll have to review the code I wrote for doing that later.
It's not simple.
Oh, and XLSX is also a ZIP file, which makes it a double problem.

1 solution

An Excel file is totally different from a DataTable, so you can not read that directly.
It might be possible after converting it, e.g. with a library like EPPlus, see: best-tools-for-creating-an-excel-spreadsheet-with-c[^]
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Richard Deeming 20-Jun-22 6:05am    
NB: EPPlus is no longer free for use in commercial applications. The repository you've linked to is a read-only archive of v4, which was the last LGPL version.
RickZeeland 20-Jun-22 6:35am    
Thanks for the info, I have updated the page on Slant.

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