【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"]);
                         }
                     }