TemplateControl.AbortTransaction TemplateControl.AbortTransaction TemplateControl.AbortTransaction TemplateControl.AbortTransaction Event

Definición

Se produce cuando un usuario finaliza una transacción.Occurs when a user ends a transaction.

public:
 event EventHandler ^ AbortTransaction;
public event EventHandler AbortTransaction;
member this.AbortTransaction : EventHandler 
Public Custom Event AbortTransaction As EventHandler 

Ejemplos

En el ejemplo de código siguiente se muestra cómo registrar un controlador de eventos AbortTransaction personalizado para el evento.The following code example demonstrates how to register a custom event handler for the AbortTransaction event. Dado TemplateControl que es una clase abstracta, en este ejemplo de Page código se usa la clase, que TemplateControl se deriva de la clase.Because TemplateControl is an abstract class, this code example uses the Page class, which is derived from the TemplateControl class. Accountes una clase que admite una Debit operación, que es transaccional y debe ejecutarse como una unidad.Account is a class that supports a Debit operation, which is transactional and must execute as a unit. Si se produce una excepción durante esta operación, la transacción finaliza.If any exception is raised during this operation, the transaction is ended.


  private void Page_Load(object sender, System.EventArgs e)
  {
      AbortTransaction += new System.EventHandler(Sub_AbortTransaction);
   CommitTransaction += new System.EventHandler(Sub_CommitTransaction);
      try
   {
      Account myAccount = new Account();
      int someAmount = 500;
      myAccount.Debit(someAmount); 
      ContextUtil.SetComplete(); 
   }
   catch(Exception)
   {
      ContextUtil.SetAbort();
   }
  }

private void Sub_AbortTransaction(object sender,System.EventArgs e)
{
   // Code for RollBack activity goes here.
   Response.Write("Transaction Aborted");
}
private void Sub_CommitTransaction(object sender,System.EventArgs e)
{
   // Code for Commit Activity goes here.
   Response.Write("Transaction Commited");
}

   private Sub Page_Load(Sender As Object, e As EventArgs)

   AddHandler Me.myCommitTransaction,AddressOf Sub_CommitTransaction
   AddHandler Me.myAbortTransaction,AddressOf Sub_AbortTransaction

      try
   
      Dim myAccount As Account = New Account()
      Dim someAmount As Integer = 500
      myAccount.Debit(someAmount)
      ContextUtil.SetComplete()
   
   catch e1 As Exception
         ContextUtil.SetAbort()
   End Try
  End Sub

Public event myCommitTransaction As System.EventHandler 
 Public event myAbortTransaction As System.EventHandler
 
 protected overrides Sub  OnCommitTransaction(e As EventArgs )
  
       RaiseEvent myCommitTransaction(Me ,e)
       Response.Write("<br /><br />The 'OnCommitTransaction()' method is used to raise the 'CommitTransaction' event." )

End Sub
  
  protected  overrides Sub OnAbortTransaction(e As EventArgs)
       RaiseEvent myAbortTransaction(Me ,e)
       Response.Write("<br /><br />The 'OnAbortTransaction()' method is used to raise the 'AbortTransaction' event." )
  End Sub

private Sub Sub_AbortTransaction(Sender As Object, e As EventArgs)
  ' Code for RollBack activity goes here.
   Response.Write("Transaction Aborted")
End Sub

private Sub Sub_CommitTransaction(Sender As Object, e As EventArgs)
  ' Code for Commit Activity goes here.
   Response.Write("Transaction Commited")
End Sub

Se aplica a

Consulte también: