【ADO.Excel】ADO获取excel的Sheet集合

using (OleDbConnection connection = new OleDbConnection(GetConnectionString()))
                    {
                        connection.Open();

                        // See MSDN's "OLE DB Schema Collections (ADO.NET)" for the Microsoft Jet OLE DB Provider
                        //  http://msdn.microsoft.com/en-us/library/cc668764.aspx
                        using (DataTable tables = connection.GetSchema("Tables"))
                        {
                            foreach (DataRow row in tables.Rows)
                                comboBoxSheet.Items.Add((string)row["TABLE_NAME"]);
                        }
                    }