TemplateControl.OnCommitTransaction(EventArgs) Metode

Definisi

Ruang nama:

System.Web.UI

Rakitan:

System.Web.dll

Memunculkan kejadian CommitTransaction.

protected:
 virtual void OnCommitTransaction(EventArgs ^ e);

protected virtual void OnCommitTransaction (EventArgs e);

abstract member OnCommitTransaction : EventArgs -> unit
override this.OnCommitTransaction : EventArgs -> unit

Protected Overridable Sub OnCommitTransaction (e As EventArgs)

Parameter

e

EventArgs

Yang EventArgs berisi data peristiwa.

Contoh

Contoh kode berikut menunjukkan cara menggunakan OnAbortTransaction metode dan OnCommitTransaction . Karena TemplateControl adalah kelas abstrak, contoh kode ini menggunakan Page kelas , yang berasal dari TemplateControl kelas . Account adalah kelas yang mendukung Debit operasi, yang transaksional dan harus dijalankan sebagai unit. Jika ada pengecualian yang dimunculkan selama operasi ini, transaksi berakhir.

  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

Keterangan

Anda dapat menggunakan OnCommitTransaction metode untuk logika pemrosesan transaksi apa pun di mana halaman atau kontrol pengguna Anda berpartisipasi.

Lihat juga

• Pemrosesan Transaksi