EnlistTransaction Method

In This Topic

Syntax
Remarks
Example
See Also

Enlists in the specified transaction.

Syntax

Visual Basic
C#

public override void EnlistTransaction( 
   Transaction transaction
)

'Declaration
 
Public Overrides Sub EnlistTransaction( _
   ByVal transaction As Transaction _
)

Parameters

transaction: A reference to an existing System.Transactions.Transaction in which to enlist.

Remarks

Once a connection is explicitly enlisted in a distributed transaction, it cannot be unenlisted or enlisted in another transaction until the first transaction finishes.

This feature is not available in Direct mode.

Example

These samples demonstrate usage of EnlistTransaction.

csharp

OracleCommand1.Connection=OracleConnection1;
using (TransactionScope transScope = new TransactionScope()) {
 OracleConnection1.Open();
 OracleCommand1.ExecuteNonQuery();
 transScope.Complete();
}
OracleConnection1.Close();

- or -

OracleCommand1.Connection=OracleConnection1;
OracleConnection1.Open();
using (TransactionScope transScope = new TransactionScope()) {
 OracleConnection1.EnlistTransaction(Transaction.Current);
 OracleCommand1.ExecuteNonQuery();
 transScope.Complete();
}
OracleConnection1.Close();

- or -

CommittableTransaction cmtTx = new CommittableTransaction();
OracleConnection1.Open();
OracleConnection1.EnlistTransaction(cmtTx);
OracleCommand1.ExecuteNonQuery();
OracleConnection1.Close();

Visual Basic

Me.OracleCommand1.Connection = Me.OracleConnection1
Using transScope = New Transactions.TransactionScope
  Me.OracleConnection1.Open()
  Me.OracleCommand1.ExecuteNonQuery()
  transScope.Complete()
End Using
Me.OracleConnection1.Close()

- or -

Me.OracleCommand1.Connection = Me.OracleConnection1
Me.OracleConnection1.Open()
Using transScope = New Transactions.TransactionScope
  Me.OracleConnection1.EnlistTransaction(Transactions.Transaction.Current)
  Me.OracleCommand1.ExecuteNonQuery()
  transScope.Complete()
End Using
Me.OracleConnection1.Close()

- or -

Dim cmtTx As New Transactions.CommittableTransaction
Me.OracleConnection1.Open()
Me.OracleConnection1.EnlistTransaction(cmtTx)
Me.OracleCommand1.ExecuteNonQuery()
Me.OracleConnection1.Close()

Reference

DbConnectionBase Class
DbConnectionBase Members

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