Rock.Model.FinancialScheduledTransactionService.Cancel C# (CSharp) Method

        public bool Cancel( FinancialScheduledTransaction scheduledTransaction, out string errorMessages )
        {
            if ( scheduledTransaction != null &&
                scheduledTransaction.FinancialGateway != null &&
                scheduledTransaction.FinancialGateway.IsActive )
            {
                if ( scheduledTransaction.FinancialGateway.Attributes == null )
                {
                    scheduledTransaction.FinancialGateway.LoadAttributes( (RockContext)this.Context );
                }

                var gateway = scheduledTransaction.FinancialGateway.GetGatewayComponent();
                if ( gateway != null )
                {
                    if ( gateway.CancelScheduledPayment( scheduledTransaction, out errorMessages ) )
                    {
                        var noteTypeService = new NoteTypeService( (RockContext)this.Context );
                        var noteType = noteTypeService.Get( Rock.SystemGuid.NoteType.SCHEDULED_TRANSACTION_NOTE.AsGuid() );
                        if ( noteType != null )
                        {
                            var noteService = new NoteService( (RockContext)this.Context );
                            var note = new Note();
                            note.NoteTypeId = noteType.Id;
                            note.EntityId = scheduledTransaction.Id;
                            note.Caption = "Cancelled Transaction";
                            noteService.Add( note );
                        }

                        return true;
                    }
                    else
                    {
                        return false;
                    }
                }
            }

            errorMessages = "Gateway is invalid or not active";
            return false;
        }

        protected void bbtnDelete_Click( object sender, EventArgs e )
        {
            BootstrapButton bbtnDelete = (BootstrapButton)sender;
            RepeaterItem riItem = (RepeaterItem)bbtnDelete.NamingContainer;

            HiddenField hfScheduledTransactionId = (HiddenField)riItem.FindControl( "hfScheduledTransactionId" );
            Literal content = (Literal)riItem.FindControl( "lLiquidContent" );
            Button btnEdit = (Button)riItem.FindControl( "btnEdit" );

            var rockContext = new Rock.Data.RockContext();
            FinancialScheduledTransactionService fstService = new FinancialScheduledTransactionService( rockContext );
            var currentTransaction = fstService.Get( Int32.Parse(hfScheduledTransactionId.Value) );

            string errorMessage = string.Empty;
            if ( fstService.Cancel( currentTransaction, out errorMessage ) )
            {
                rockContext.SaveChanges();
                content.Text = String.Format( "<div class='alert alert-success'>Your recurring {0} has been deleted.</div>", GetAttributeValue( "TransactionLabel" ).ToLower() );
            }
            else
            {
                content.Text = String.Format( "<div class='alert alert-danger'>An error occured while deleting your scheduled transation. Message: {0}</div>", errorMessage );
            }

            bbtnDelete.Visible = false;
            btnEdit.Visible = false;
        }