Rock.Apps.CheckScannerUtility.BatchPage.btnSave_Click C# (CSharp) Méthode

        private void btnSave_Click( object sender, RoutedEventArgs e )
        {
            try
            {
                RockConfig rockConfig = RockConfig.Load();
                RockRestClient client = new RockRestClient( rockConfig.RockBaseUrl );
                client.Login( rockConfig.Username, rockConfig.Password );

                FinancialBatch financialBatch = null;
                if ( SelectedFinancialBatch == null || SelectedFinancialBatch.Id == 0 )
                {
                    financialBatch = new FinancialBatch { Id = 0, Guid = Guid.NewGuid(), Status = BatchStatus.Pending, CreatedByPersonAliasId = LoggedInPerson.PrimaryAliasId };
                }
                else
                {
                    financialBatch = client.GetData<FinancialBatch>( string.Format( "api/FinancialBatches/{0}", SelectedFinancialBatch.Id ) );
                }

                txtBatchName.Text = txtBatchName.Text.Trim();
                if ( string.IsNullOrWhiteSpace( txtBatchName.Text ) )
                {
                    txtBatchName.Style = this.FindResource( "textboxStyleError" ) as Style;
                    return;
                }
                else
                {
                    txtBatchName.Style = this.FindResource( "textboxStyle" ) as Style;
                }

                financialBatch.Name = txtBatchName.Text;
                Campus selectedCampus = cbCampus.SelectedItem as Campus;
                if ( selectedCampus.Id > 0 )
                {
                    financialBatch.CampusId = selectedCampus.Id;
                }
                else
                {
                    financialBatch.CampusId = null;
                }

                financialBatch.BatchStartDateTime = dpBatchDate.SelectedDate;

                if ( !string.IsNullOrWhiteSpace( txtControlAmount.Text ) )
                {
                    financialBatch.ControlAmount = decimal.Parse( txtControlAmount.Text.Replace( "$", string.Empty ) );
                }
                else
                {
                    financialBatch.ControlAmount = 0.00M;
                }

                txtNote.Text = txtNote.Text.Trim();
                financialBatch.Note = txtNote.Text;

                if ( financialBatch.Id == 0 )
                {
                    client.PostData<FinancialBatch>( "api/FinancialBatches/", financialBatch );
                }
                else
                {
                    client.PutData<FinancialBatch>( "api/FinancialBatches/", financialBatch, financialBatch.Id );
                }

                if ( SelectedFinancialBatch == null || SelectedFinancialBatch.Id == 0 )
                {
                    // refetch the batch to get the Id if it was just Inserted
                    financialBatch = client.GetDataByGuid<FinancialBatch>( "api/FinancialBatches", financialBatch.Guid );

                    SelectedFinancialBatch = financialBatch;
                }

                LoadFinancialBatchesGrid();
                UpdateBatchUI( financialBatch );

                ShowBatch( false );
            }
            catch ( Exception ex )
            {
                ShowException( ex );
            }
        }