Caching data and metadata 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;Cache Location=C:\cache.db;Auto Cache=true;
Offline=false;Cache Metadata=true;
The table metadata will also be cached instead of retrieving it from the data source. This improves connection performance. Read more here →