Commit and Roolback in C#

public void ExecuteTransaction(string connectionString)`
         {
using (OleDbConnection connection = new OleDbConnection(connectionString))
            {
               OleDbCommand command = new OleDbCommand();
                 OleDbTransaction trancation = null;
                   command.Connection = connection;
                try
                 {
                     connection.Open();
                     trancation = connection.BeginTransaction(IsolationLevel.ReadCommitted);
                     command.Connection = connection;
                       command.CommandText = "";
                     command.ExecuteNonQuery();
                     command.CommandText = "";
                     command.ExecuteNonQuery();
                      trancation.Commit();
                       Console.WriteLine("Commited");
                 }
                 catch (Exception ex)
                 {
                     Console.WriteLine(ex.Message);
                     try
                     {
                         trancation.Rollback();
                     }
                     catch
                     {
                         Console.WriteLine(ex.InnerException);
                     }
                 }
             }
         }