Read "tilted sheets", where rows are headers and columns are rows using CData ADO.NET Provider for Excel

Connection string

This CData ADO.NET Provider for Excel connection string can be used for connections to Excel 97, Excel 2000, Excel 2002, Excel 2003, Excel 2007, Excel 2010 and Excel 2013.

Excel File=C:\myExcelFile.xlsx;Orientation=Horizontal;