static void TransactionScope()
{
using (var scope = new TransactionScope())
{
Transaction.Current.TransactionCompleted +=
OnTransactionCompleted;
Utilities.DisplayTransactionInformation("Ambient TX created",
Transaction.Current.TransactionInformation);
var s1 = new Student
{
FirstName = "Ingo",
LastName = "Rammer",
Company = "thinktecture"
};
var db = new StudentData();
db.AddStudent(s1);
if (!Utilities.AbortTx())
{
scope.Complete();
}
else
{
Console.WriteLine("transaction will be aborted");
}
} // scope.Dispose()
}
static void CommittableTransaction()
{
var tx = new CommittableTransaction();
Utilities.DisplayTransactionInformation("TX created",
tx.TransactionInformation);
try
{
var s1 = new Student
{
FirstName = "Neno",
LastName = "Loye",
Company = "thinktecture"
};
var db = new StudentData();
db.AddStudent(s1, tx);
if (Utilities.AbortTx())
{
throw new ApplicationException("transaction abort");
}
tx.Commit();
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
Console.WriteLine();
tx.Rollback();
}
Utilities.DisplayTransactionInformation("TX completed",
tx.TransactionInformation);
}
static void TransactionPromotion()
{
var tx = new CommittableTransaction();
Utilities.DisplayTransactionInformation("TX created",
tx.TransactionInformation);
try
{
var s1 = new Student
{
FirstName = "Jörg",
LastName = "Neumann",
Company = "thinktecture"
};
var db = new StudentData();
db.AddStudent(s1, tx);
Student s2 = new Student
{
FirstName = "Richard",
LastName = "Blewett",
Company = "thintkecture"
};
db.AddStudent(s2, tx);
Utilities.DisplayTransactionInformation("2nd connection enlisted",
tx.TransactionInformation);
if (Utilities.AbortTx())
{
throw new ApplicationException("transaction abort");
}
tx.Commit();
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
Console.WriteLine();
tx.Rollback();
}
Utilities.DisplayTransactionInformation("TX finished",
tx.TransactionInformation);
}
static void Main()
{
CommittableTransaction tx = new CommittableTransaction();
Utilities.DisplayTransactionInformation("TX created", tx.TransactionInformation);
try
{
Student s1 = new Student();
s1.FirstName = "Neno";
s1.LastName = "Loye";
s1.Company = "thinktecture";
StudentData db = new StudentData();
db.AddStudent(s1, tx);
Student s2 = new Student();
s2.FirstName = "Dominick";
s2.LastName = "Baier";
s2.Company = "thinktecture";
db.AddStudent(s2, tx);
Utilities.DisplayTransactionInformation("2nd connection enlisted", tx.TransactionInformation);
if (Utilities.AbortTx())
{
throw new ApplicationException("transaction abort");
}
tx.Commit();
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
Console.WriteLine();
tx.Rollback();
}
Utilities.DisplayTransactionInformation("TX completed", tx.TransactionInformation);
}