I am trying to import an excel file with over 256 columns using OLEDB in C #. I tried all kinds of things, but it is not possible to read more than 256 columns from an Excel file (2007 format). I am wondering if this is a mistake, or I just missed something. Here is the connection string I used:
Provider = Microsoft.ACE.OLEDB.12.0; Data Source = c: \ myFolder \ myExcel2007file.xlsx; Advanced Properties = "Excel 12.0
Nan t source
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