TemplateControl.OnAbortTransaction Method (EventArgs)
.NET Framework (current version)
Raises the AbortTransaction event.
Assembly: System.Web (in System.Web.dll)
The following code example demonstrates how to use the OnAbortTransaction and OnCommitTransaction methods. Because TemplateControl is an abstract class, this code example uses the Page class, which is derived from the TemplateControl class. Account is a class that supports a Debit operation, which is transactional and must execute as a unit. If any exception is raised during this operation, the transaction is ended.
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
.NET Framework
Available since 1.1
Available since 1.1
TemplateControl Class
System.Web.UI Namespace
Transaction Processing
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