excel联接字符串

excel连接字符串
  //operate 2003 excel
            String ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;" + "Data Source=" + filePath + ";" + "Extended Properties=Excel 8.0;";
            //operate 2007excel
            //String ConnectionString = "Provider=Microsoft.ACE.OLEDB.12.0;" + "Data Source=" + filePath + ";" + "Extended Properties=Excel 12.0;";