1    static async Task TransactionScopeAsync()
 2         {
 3             using (var scope = new TransactionScope(TransactionScopeAsyncFlowOption.Enabled))
 4             {
 5                 Transaction.Current.TransactionCompleted += OnTransactionCompleted;
 6 
 7                 Utilities.DisplayTransactionInformation("Ambient TX created",
 8                       Transaction.Current.TransactionInformation);
 9                 
10                 var s1 = new Student
11                 {
12                     FirstName = "Angela",
13                     LastName = "Nagel",
14                     Company = "Kantine M101"
15                 };
16                 var db = new StudentData();
17                 await db.AddStudentAsync(s1);
18 
19                 if (!Utilities.AbortTx())
20                     scope.Complete();
21                 else
22                     Console.WriteLine("transaction will be aborted");
23 
24             } // scope.Dispose()
25 
26         }

 1  static void NestedScopes()
 2         {
 3             using (var scope = new TransactionScope())
 4             {
 5                 Transaction.Current.TransactionCompleted += OnTransactionCompleted;
 6 
 7                 Utilities.DisplayTransactionInformation("Ambient TX created",
 8                       Transaction.Current.TransactionInformation);
 9 
10                 using (var scope2 =
11                       new TransactionScope(TransactionScopeOption.RequiresNew))
12                 {
13                     Transaction.Current.TransactionCompleted += OnTransactionCompleted;
14 
15                     Utilities.DisplayTransactionInformation(
16                            "Inner Transaction Scope",
17                            Transaction.Current.TransactionInformation);
18 
19                     scope2.Complete();
20                 }
21                 scope.Complete();
22             }
23 
24         }

1   static void OnTransactionCompleted(object sender, TransactionEventArgs e)
2         {
3             Utilities.DisplayTransactionInformation("TX completed",
4                   e.Transaction.TransactionInformation);
5         }

1 using (var tx = new TransactionScope(TransactionScopeAsyncFlowOption.Enabled))
2 {
3     await SomeMethodInTheCallStackAsync()
4         .ConfigureAwait(false);
5 
6     tx.Complete();
7 }