'Declaration Public Event TransactionStateChanged As TransactionStateChangedEventHandler
public event TransactionStateChangedEventHandler TransactionStateChanged
Event Data
The event handler receives an argument of type TransactionStateChangedEventArgs containing data related to this event. The following TransactionStateChangedEventArgs properties provide information specific to this event.
| Property | Description |
|---|---|
| Action | Indicates the operation that is being performed or has been performed in the transaction when the DbTransactionBase.StateChanged or DbTransactionBase.StateChanging event occurs. (Inherited from Devart.Common.TransactionStateChangeEventArgs) |
Example
This sample demonstrates how to use the TransactionStateChanged and TransactionStateChanging events.
UniConnection connection = new UniConnection( "Provider=SQL Server;Data Source=SERVER;Initial Catalog=Northwind;User ID=sa;"); connection.TransactionStateChanged += new TransactionStateChangedEventHandler(connection_TransactionStateChanged); connection.TransactionStateChanging += new TransactionStateChangingEventHandler(connection_TransactionStateChanging); connection.Open(); // ... UniTransaction tr = connection.BeginTransaction(); // ... tr.Commit(); // ... void connection_TransactionStateChanging(object sender, TransactionStateChangingEventArgs e) { if (e.Action == TransactionAction.Commit) { // do somthing... } } void connection_TransactionStateChanged(object sender, TransactionStateChangedEventArgs e) { if (e.Action == TransactionAction.Commit) { // do somthing... } }
Dim connection As New UniConnection( _ "Provider=SQL Server;Data Source=SERVER;Initial Catalog=Northwind;User ID=sa;") AddHandler connection.TransactionStateChanged, New TransactionStateChangedEventHandler(AddressOf &_ Me.connection_TransactionStateChanged) AddHandler connection.TransactionStateChanging, New TransactionStateChangingEventHandler(AddressOf &_ Me.connection_TransactionStateChanging) connection.Open() '... Dim Transaction As UniTransaction Transaction = connection.BeginTransaction() '... Transaction.Commit() '... Private Sub connection_TransactionStateChanged(ByVal sender As Object, ByVal e As TransactionStateChangedEventArgs) If (e.Action = TransactionAction.Commit) Then '... End If End Sub Private Sub connection_TransactionStateChanging(ByVal sender As Object, ByVal e As TransactionStateChangingEventArgs) If (e.Action = TransactionAction.Commit) Then '... End If End Sub
Requirements
Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
See Also