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Asked: 2026-05-11T14:43:28+00:00

Is it possible to extract information from an excel file (.xls) into c# on

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Is it possible to extract information from an excel file (.xls) into c# on a computer without excel installed?

I’ve got the following code: 

     OleDbConnection objConn = new            OleDbConnection(CONNECTION_STRING.Replace('<FILENAME>', fileName));              try             {                 objConnection.Open();              }             catch (Exception)             {}

It throws an IndexOutOfRangeException (‘Cannot find table 0’) when I try to open the OleDbConnection when run on a computer that does not have excel installed. The same code run on a computer with excel works just fine. I therefore very strongly suspect the lack of excel to be the culprit.

Is this the problem? If this is, how can I extract data from the file?

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1 Answer

  1. Check out the open-source NExcel. Last updated about 2 years ago, so it doesn’t have support for the newer Excel 2007 .xlsx format, but will read Excel 07-Excel 2003.

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