'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.
PgSqlConnection connection = new PgSqlConnection( "host=server;database=test;user id=postgres;"); connection.TransactionStateChanged += new TransactionStateChangedEventHandler(connection_TransactionStateChanged); connection.TransactionStateChanging += new TransactionStateChangingEventHandler(connection_TransactionStateChanging); connection.Open(); // ... PgSqlTransaction 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 PgSqlConnection( _ "host=server;database=test;user id=postgres;") AddHandler connection.TransactionStateChanged, New TransactionStateChangedEventHandler(AddressOf &_ Me.connection_TransactionStateChanged) AddHandler connection.TransactionStateChanging, New TransactionStateChangingEventHandler(AddressOf &_ Me.connection_TransactionStateChanging) connection.Open() '... Dim Transaction As PgSqlTransaction 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
See Also