Creando una nueva planilla en excel desde c#

using (OleDbConnection conn = new OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:\\dummy.xls;Extended Properties='Excel 8.0;HDR=Yes'"))

{

conn.Open();

OleDbCommand cmd = new OleDbCommand("CREATE TABLE [Sheet1] ([Col1] string, [Col2] string)", conn);

cmd.ExecuteNonQuery();

}