예제 #1
0
        /// <summary>
        /// Binds the grid.
        /// </summary>
        private void BindGrid( bool isExporting = false )
        {
            _currencyTypes = new Dictionary<int,string>();
            _creditCardTypes = new Dictionary<int,string>();

            // If configured for a registration and registration is null, return
            int registrationEntityTypeId = EntityTypeCache.Read( typeof( Rock.Model.Registration ) ).Id;
            if ( ContextTypesRequired.Any( e => e.Id == registrationEntityTypeId ) && _registration == null )
            {
                return;
            }

            // If configured for a person and person is null, return
            int personEntityTypeId = EntityTypeCache.Read( "Rock.Model.Person" ).Id;
            if ( ContextTypesRequired.Any( e => e.Id == personEntityTypeId ) && _person == null )
            {
                return;
            }

            // If configured for a batch and batch is null, return
            int batchEntityTypeId = EntityTypeCache.Read( "Rock.Model.FinancialBatch" ).Id;
            if ( ContextTypesRequired.Any( e => e.Id == batchEntityTypeId ) && _batch == null )
            {
                return;
            }

            // If configured for a batch and batch is null, return
            int scheduledTxnEntityTypeId = EntityTypeCache.Read( "Rock.Model.FinancialScheduledTransaction" ).Id;
            if ( ContextTypesRequired.Any( e => e.Id == scheduledTxnEntityTypeId ) && _scheduledTxn == null )
            {
                return;
            }

            // Qry
            var rockContext = new RockContext();
            var qry = new FinancialTransactionService( rockContext ).Queryable();

            // Transaction Types
            var transactionTypeValueIdList = GetAttributeValue( "TransactionTypes" ).SplitDelimitedValues().AsGuidList().Select( a => DefinedValueCache.Read( a ) ).Where( a => a != null ).Select( a => a.Id ).ToList();

            if ( transactionTypeValueIdList.Any() )
            {
                qry = qry.Where( t => transactionTypeValueIdList.Contains( t.TransactionTypeValueId ) );
            }

            // Set up the selection filter
            if ( _batch != null )
            {
                // If transactions are for a batch, the filter is hidden so only check the batch id
                qry = qry.Where( t => t.BatchId.HasValue && t.BatchId.Value == _batch.Id );

                // If the batch is closed, do not allow any editing of the transactions
                if ( _batch.Status != BatchStatus.Closed && _canEdit )
                {
                    gTransactions.IsDeleteEnabled = _canEdit;
                }
                else
                {
                    gTransactions.IsDeleteEnabled = false;
                }
            }
            else if ( _scheduledTxn != null )
            {
                // If transactions are for a batch, the filter is hidden so only check the batch id
                qry = qry.Where( t => t.ScheduledTransactionId.HasValue && t.ScheduledTransactionId.Value == _scheduledTxn.Id );

                gTransactions.IsDeleteEnabled = false;
            }
            else if ( _registration != null )
            {
                qry = qry
                    .Where( t => t.TransactionDetails
                        .Any( d =>
                            d.EntityTypeId.HasValue &&
                            d.EntityTypeId.Value == registrationEntityTypeId &&
                            d.EntityId.HasValue &&
                            d.EntityId.Value == _registration.Id ) );

                gTransactions.IsDeleteEnabled = false;
            }
            else    // Person
            {
                // otherwise set the selection based on filter settings
                if ( _person != null )
                {
                    // get the transactions for the person or all the members in the person's giving group (Family)
                    qry = qry.Where( t => t.AuthorizedPersonAlias.Person.GivingId == _person.GivingId );
                }

                // Date Range
                var drp = new DateRangePicker();
                drp.DelimitedValues = gfTransactions.GetUserPreference( "Date Range" );
                if ( drp.LowerValue.HasValue )
                {
                    qry = qry.Where( t => t.TransactionDateTime >= drp.LowerValue.Value );
                }

                if ( drp.UpperValue.HasValue )
                {
                    DateTime upperDate = drp.UpperValue.Value.Date.AddDays( 1 );
                    qry = qry.Where( t => t.TransactionDateTime < upperDate );
                }

                // Amount Range
                var nre = new NumberRangeEditor();
                nre.DelimitedValues = gfTransactions.GetUserPreference( "Amount Range" );
                if ( nre.LowerValue.HasValue )
                {
                    qry = qry.Where( t => t.TransactionDetails.Sum( d => d.Amount ) >= nre.LowerValue.Value );
                }

                if ( nre.UpperValue.HasValue )
                {
                    qry = qry.Where( t => t.TransactionDetails.Sum( d => d.Amount ) <= nre.UpperValue.Value );
                }

                // Transaction Code
                string transactionCode = gfTransactions.GetUserPreference( "Transaction Code" );
                if ( !string.IsNullOrWhiteSpace( transactionCode ) )
                {
                    qry = qry.Where( t => t.TransactionCode == transactionCode.Trim() );
                }

                // Account Id
                var accountIds = (gfTransactions.GetUserPreference( "Account" ) ?? "").SplitDelimitedValues().AsIntegerList().Where( a => a > 0 ).ToList();
                {
                    if ( accountIds.Any() )
                    {
                        qry = qry.Where( t => t.TransactionDetails.Any( d => accountIds.Contains( d.AccountId ) || (d.Account.ParentAccountId.HasValue && accountIds.Contains(d.Account.ParentAccountId.Value) ) ) );
                    }
                }

                // Transaction Type
                int transactionTypeId = int.MinValue;
                if ( int.TryParse( gfTransactions.GetUserPreference( "Transaction Type" ), out transactionTypeId ) )
                {
                    qry = qry.Where( t => t.TransactionTypeValueId == transactionTypeId );
                }

                // Currency Type
                int currencyTypeId = int.MinValue;
                if ( int.TryParse( gfTransactions.GetUserPreference( "Currency Type" ), out currencyTypeId ) )
                {
                    qry = qry.Where( t => t.FinancialPaymentDetail != null && t.FinancialPaymentDetail.CurrencyTypeValueId == currencyTypeId );
                }

                // Credit Card Type
                int creditCardTypeId = int.MinValue;
                if ( int.TryParse( gfTransactions.GetUserPreference( "Credit Card Type" ), out creditCardTypeId ) )
                {
                    qry = qry.Where( t => t.FinancialPaymentDetail != null && t.FinancialPaymentDetail.CreditCardTypeValueId == creditCardTypeId );
                }

                // Source Type
                int sourceTypeId = int.MinValue;
                if ( int.TryParse( gfTransactions.GetUserPreference( "Source Type" ), out sourceTypeId ) )
                {
                    qry = qry.Where( t => t.SourceTypeValueId == sourceTypeId );
                }

                // Campus
                if ( this.ContextEntity() == null )
                {
                    var campus = CampusCache.Read( gfTransactions.GetUserPreference( "Campus" ).AsInteger() );
                    if ( campus != null )
                    {
                        qry = qry.Where( b => b.Batch != null && b.Batch.CampusId == campus.Id );
                    }
                }
            }

            SortProperty sortProperty = gTransactions.SortProperty;
            if ( sortProperty != null )
            {
                if ( sortProperty.Property == "TotalAmount" )
                {
                    if ( sortProperty.Direction == SortDirection.Ascending )
                    {
                        qry = qry.OrderBy( t => t.TransactionDetails.Sum( d => (decimal?)d.Amount ) ?? 0.00M );
                    }
                    else
                    {
                        qry = qry.OrderByDescending( t => t.TransactionDetails.Sum( d => (decimal?)d.Amount ) ?? 0.0M );
                    }
                }
                else
                {
                    qry = qry.Sort( sortProperty );
                }
            }
            else
            {
                // Default sort by Id if the transations are seen via the batch,
                // otherwise sort by descending date time.
                if ( ContextTypesRequired.Any( e => e.Id == batchEntityTypeId ) )
                {
                    qry = qry.OrderBy( t => t.Id );
                }
                else
                {
                    qry = qry.OrderByDescending( t => t.TransactionDateTime ).ThenByDescending( t => t.Id );
                }
            }

            var lTransactionImageField = gTransactions.ColumnsOfType<RockLiteralField>().FirstOrDefault( a => a.ID == "lTransactionImage" );
            var summaryField = gTransactions.ColumnsOfType<RockBoundField>().FirstOrDefault( a => a.DataField == "Summary" );
            var showImages = bddlOptions.SelectedValue.AsIntegerOrNull() == 1;
            if ( lTransactionImageField != null)
            {
                lTransactionImageField.Visible = showImages;
            }

            if ( summaryField != null )
            {
                summaryField.Visible = !showImages;
            }

            if ( showImages )
            {
                qry = qry.Include( a => a.Images );
            }

            _isExporting = isExporting;

            gTransactions.SetLinqDataSource( qry.AsNoTracking() );
            gTransactions.DataBind();

            _isExporting = false;

            if ( _batch == null &&
                _scheduledTxn == null &&
                _registration == null &&
                _person == null )
            {
                pnlSummary.Visible = true;

                // No context - show account summary
                var qryTransactionDetails = qry.SelectMany( a => a.TransactionDetails );
                var qryFinancialAccount = new FinancialAccountService( rockContext ).Queryable();
                var accountSummaryQry = qryTransactionDetails.GroupBy( a => a.AccountId ).Select( a => new
                {
                    AccountId = a.Key,
                    TotalAmount = (decimal?)a.Sum( d => d.Amount )
                } ).Join( qryFinancialAccount, k1 => k1.AccountId, k2 => k2.Id, ( td, fa ) => new { td.TotalAmount, fa.Name, fa.Order } )
                .OrderBy( a => a.Order );

                var summaryList = accountSummaryQry.ToList();
                var grandTotalAmount = ( summaryList.Count > 0 ) ? summaryList.Sum( a => a.TotalAmount ?? 0 ) : 0;
                lGrandTotal.Text = grandTotalAmount.FormatAsCurrency();
                rptAccountSummary.DataSource = summaryList.Select( a => new { a.Name, TotalAmount = a.TotalAmount.FormatAsCurrency() } ).ToList();
                rptAccountSummary.DataBind();
            }
            else
            {
                pnlSummary.Visible = false;
            }
        }
        /// <summary>
        /// Binds the payments grid.
        /// </summary>
        private void BindPaymentsGrid()
        {
            int? instanceId = hfRegistrationInstanceId.Value.AsIntegerOrNull();
            if ( instanceId.HasValue )
            {
                using ( var rockContext = new RockContext() )
                {
                    var currencyTypes = new Dictionary<int, string>();
                    var creditCardTypes = new Dictionary<int, string>();

                    // If configured for a registration and registration is null, return
                    int registrationEntityTypeId = EntityTypeCache.Read( typeof( Rock.Model.Registration ) ).Id;

                    // Get all the registrations for this instance
                    PaymentRegistrations = new RegistrationService( rockContext )
                        .Queryable( "PersonAlias.Person,Registrants.PersonAlias.Person" ).AsNoTracking()
                        .Where( r =>
                            r.RegistrationInstanceId == instanceId.Value &&
                            !r.IsTemporary )
                        .ToList();

                    // Get the Registration Ids
                    var registrationIds = PaymentRegistrations
                        .Select( r => r.Id )
                        .ToList();

                    // Get all the transactions relate to these registrations
                    var qry = new FinancialTransactionService( rockContext )
                        .Queryable().AsNoTracking()
                        .Where( t => t.TransactionDetails
                            .Any( d =>
                                d.EntityTypeId.HasValue &&
                                d.EntityTypeId.Value == registrationEntityTypeId &&
                                d.EntityId.HasValue &&
                                registrationIds.Contains( d.EntityId.Value ) ) );

                    // Date Range
                    var drp = new DateRangePicker();
                    drp.DelimitedValues = fPayments.GetUserPreference( "Date Range" );
                    if ( drp.LowerValue.HasValue )
                    {
                        qry = qry.Where( t => t.TransactionDateTime >= drp.LowerValue.Value );
                    }

                    if ( drp.UpperValue.HasValue )
                    {
                        DateTime upperDate = drp.UpperValue.Value.Date.AddDays( 1 );
                        qry = qry.Where( t => t.TransactionDateTime < upperDate );
                    }

                    SortProperty sortProperty = gPayments.SortProperty;
                    if ( sortProperty != null )
                    {
                        if ( sortProperty.Property == "TotalAmount" )
                        {
                            if ( sortProperty.Direction == SortDirection.Ascending )
                            {
                                qry = qry.OrderBy( t => t.TransactionDetails.Sum( d => (decimal?)d.Amount ) ?? 0.00M );
                            }
                            else
                            {
                                qry = qry.OrderByDescending( t => t.TransactionDetails.Sum( d => (decimal?)d.Amount ) ?? 0.0M );
                            }
                        }
                        else
                        {
                            qry = qry.Sort( sortProperty );
                        }
                    }
                    else
                    {
                        qry = qry.OrderByDescending( t => t.TransactionDateTime ).ThenByDescending( t => t.Id );
                    }

                    gPayments.SetLinqDataSource( qry.AsNoTracking() );
                    gPayments.DataBind();
                }
            }
        }
        /// <summary>
        /// Binds the grid.
        /// </summary>
        private void BindGrid()
        {
            var queryable = new FinancialTransactionService( new RockContext() ).Queryable();

            // Set up the selection filter
            if ( _batch != null )
            {
                // If transactions are for a batch, the filter is hidden so only check the batch id
                queryable = queryable.Where( t => t.BatchId.HasValue && t.BatchId.Value == _batch.Id );

                // If the batch is closed, do not allow any editing of the transactions
                if ( _batch.Status != BatchStatus.Open && _canConfigure )
                {
                    gTransactions.Actions.ShowAdd = false;
                    gTransactions.IsDeleteEnabled = false;
                }
                else
                {
                    gTransactions.Actions.ShowAdd = true;
                    gTransactions.IsDeleteEnabled = true;
                }
            }
            else if ( !string.IsNullOrWhiteSpace( PageParameter( "financialBatchId" ) ) && _batch == null )
            {
                // this makes sure the grid will show no transactions when you're adding a new financial batch.
                queryable = queryable.Where( t => t.BatchId.HasValue && t.BatchId.Value == 0 );
            }
            else
            {
                // otherwise set the selection based on filter settings
                if ( _person != null )
                {
                    queryable = queryable.Where( t => t.AuthorizedPersonId == _person.Id );
                }

                // Date Range
                var drp = new DateRangePicker();
                drp.DelimitedValues = gfTransactions.GetUserPreference( "Date Range" );
                if ( drp.LowerValue.HasValue )
                {
                    queryable = queryable.Where( t => t.TransactionDateTime >= drp.LowerValue.Value );
                }

                if ( drp.UpperValue.HasValue )
                {
                    DateTime upperDate = drp.UpperValue.Value.Date.AddDays( 1 );
                    queryable = queryable.Where( t => t.TransactionDateTime < upperDate );
                }

                // Amount Range
                var nre = new NumberRangeEditor();
                nre.DelimitedValues = gfTransactions.GetUserPreference( "Amount Range" );
                if ( nre.LowerValue.HasValue )
                {
                    queryable = queryable.Where( t => t.TransactionDetails.Sum( d => d.Amount ) >= nre.LowerValue.Value );
                }

                if ( nre.UpperValue.HasValue )
                {
                    queryable = queryable.Where( t => t.TransactionDetails.Sum( d => d.Amount ) <= nre.UpperValue.Value );
                }

                // Transaction Code
                string transactionCode = gfTransactions.GetUserPreference( "Transaction Code" );
                if ( !string.IsNullOrWhiteSpace( transactionCode ) )
                {
                    queryable = queryable.Where( t => t.TransactionCode == transactionCode.Trim() );
                }

                // Account Id
                int accountId = int.MinValue;
                if ( int.TryParse( gfTransactions.GetUserPreference( "Account" ), out accountId ) )
                {
                    queryable = queryable.Where( t => t.TransactionDetails.Any( d => d.AccountId == accountId ) );
                }

                // Transaction Type
                int transactionTypeId = int.MinValue;
                if ( int.TryParse( gfTransactions.GetUserPreference( "Transaction Type" ), out transactionTypeId ) )
                {
                    queryable = queryable.Where( t => t.TransactionTypeValueId == transactionTypeId );
                }

                // Currency Type
                int currencyTypeId = int.MinValue;
                if ( int.TryParse( gfTransactions.GetUserPreference( "Currency Type" ), out currencyTypeId ) )
                {
                    queryable = queryable.Where( t => t.CurrencyTypeValueId == currencyTypeId );
                }

                // Credit Card Type
                int creditCardTypeId = int.MinValue;
                if ( int.TryParse( gfTransactions.GetUserPreference( "Credit Card Type" ), out creditCardTypeId ) )
                {
                    queryable = queryable.Where( t => t.CreditCardTypeValueId == creditCardTypeId );
                }

                // Source Type
                int sourceTypeId = int.MinValue;
                if ( int.TryParse( gfTransactions.GetUserPreference( "Source Type" ), out sourceTypeId ) )
                {
                    queryable = queryable.Where( t => t.SourceTypeValueId == sourceTypeId );
                }
            }

            SortProperty sortProperty = gTransactions.SortProperty;
            if ( sortProperty != null )
            {
                if ( sortProperty.Property == "TotalAmount" )
                {
                    if ( sortProperty.Direction == SortDirection.Ascending )
                    {
                        queryable = queryable.OrderBy( t => t.TransactionDetails.Sum( d => d.Amount ) );
                    }
                    else
                    {
                        queryable = queryable.OrderByDescending( t => t.TransactionDetails.Sum( d => d.Amount ) );
                    }
                }
                else
                {
                    queryable = queryable.Sort( sortProperty );
                }
            }
            else
            {
                queryable = queryable.OrderBy( t => t.TransactionDateTime );
            }

            gTransactions.DataSource = queryable.AsNoTracking().ToList();
            gTransactions.DataBind();
        }
        /// <summary>
        /// Binds the grid.
        /// </summary>
        private void BindGrid()
        {
            _currencyTypes = new Dictionary<int,string>();
            _creditCardTypes = new Dictionary<int,string>();

            // If configured for a person and person is null, return
            int personEntityTypeId = EntityTypeCache.Read( "Rock.Model.Person" ).Id;
            if ( ContextTypesRequired.Any( e => e.Id == personEntityTypeId ) && _person == null )
            {
                return;
            }

            // If configured for a batch and batch is null, return
            int batchEntityTypeId = EntityTypeCache.Read( "Rock.Model.FinancialBatch" ).Id;
            if ( ContextTypesRequired.Any( e => e.Id == batchEntityTypeId ) && _batch == null )
            {
                return;
            }

            // If configured for a batch and batch is null, return
            int scheduledTxnEntityTypeId = EntityTypeCache.Read( "Rock.Model.FinancialScheduledTransaction" ).Id;
            if ( ContextTypesRequired.Any( e => e.Id == scheduledTxnEntityTypeId ) && _scheduledTxn == null )
            {
                return;
            }

            // Qry
            var qry = new FinancialTransactionService( new RockContext() )
                .Queryable( "AuthorizedPersonAlias.Person,ProcessedByPersonAlias.Person" );

            // Set up the selection filter
            if ( _batch != null )
            {
                // If transactions are for a batch, the filter is hidden so only check the batch id
                qry = qry.Where( t => t.BatchId.HasValue && t.BatchId.Value == _batch.Id );

                // If the batch is closed, do not allow any editing of the transactions
                if ( _batch.Status != BatchStatus.Closed && _canEdit )
                {
                    gTransactions.IsDeleteEnabled = true;
                }
                else
                {
                    gTransactions.IsDeleteEnabled = false;
                }
            }
            else if ( _scheduledTxn != null )
            {
                // If transactions are for a batch, the filter is hidden so only check the batch id
                qry = qry.Where( t => t.ScheduledTransactionId.HasValue && t.ScheduledTransactionId.Value == _scheduledTxn.Id );

                gTransactions.IsDeleteEnabled = false;
            }
            else    // Person
            {
                // otherwise set the selection based on filter settings
                if ( _person != null )
                {
                    qry = qry.Where( t => t.AuthorizedPersonAlias.PersonId == _person.Id );
                }

                // Date Range
                var drp = new DateRangePicker();
                drp.DelimitedValues = gfTransactions.GetUserPreference( "Date Range" );
                if ( drp.LowerValue.HasValue )
                {
                    qry = qry.Where( t => t.TransactionDateTime >= drp.LowerValue.Value );
                }

                if ( drp.UpperValue.HasValue )
                {
                    DateTime upperDate = drp.UpperValue.Value.Date.AddDays( 1 );
                    qry = qry.Where( t => t.TransactionDateTime < upperDate );
                }

                // Amount Range
                var nre = new NumberRangeEditor();
                nre.DelimitedValues = gfTransactions.GetUserPreference( "Amount Range" );
                if ( nre.LowerValue.HasValue )
                {
                    qry = qry.Where( t => t.TransactionDetails.Sum( d => d.Amount ) >= nre.LowerValue.Value );
                }

                if ( nre.UpperValue.HasValue )
                {
                    qry = qry.Where( t => t.TransactionDetails.Sum( d => d.Amount ) <= nre.UpperValue.Value );
                }

                // Transaction Code
                string transactionCode = gfTransactions.GetUserPreference( "Transaction Code" );
                if ( !string.IsNullOrWhiteSpace( transactionCode ) )
                {
                    qry = qry.Where( t => t.TransactionCode == transactionCode.Trim() );
                }

                // Account Id
                int accountId = int.MinValue;
                if ( int.TryParse( gfTransactions.GetUserPreference( "Account" ), out accountId ) )
                {
                    qry = qry.Where( t => t.TransactionDetails.Any( d => d.AccountId == accountId ) );
                }

                // Transaction Type
                int transactionTypeId = int.MinValue;
                if ( int.TryParse( gfTransactions.GetUserPreference( "Transaction Type" ), out transactionTypeId ) )
                {
                    qry = qry.Where( t => t.TransactionTypeValueId == transactionTypeId );
                }

                // Currency Type
                int currencyTypeId = int.MinValue;
                if ( int.TryParse( gfTransactions.GetUserPreference( "Currency Type" ), out currencyTypeId ) )
                {
                    qry = qry.Where( t => t.CurrencyTypeValueId == currencyTypeId );
                }

                // Credit Card Type
                int creditCardTypeId = int.MinValue;
                if ( int.TryParse( gfTransactions.GetUserPreference( "Credit Card Type" ), out creditCardTypeId ) )
                {
                    qry = qry.Where( t => t.CreditCardTypeValueId == creditCardTypeId );
                }

                // Source Type
                int sourceTypeId = int.MinValue;
                if ( int.TryParse( gfTransactions.GetUserPreference( "Source Type" ), out sourceTypeId ) )
                {
                    qry = qry.Where( t => t.SourceTypeValueId == sourceTypeId );
                }
            }

            SortProperty sortProperty = gTransactions.SortProperty;
            if ( sortProperty != null )
            {
                if ( sortProperty.Property == "TotalAmount" )
                {
                    if ( sortProperty.Direction == SortDirection.Ascending )
                    {
                        qry = qry.OrderBy( t => t.TransactionDetails.Sum( d => (decimal?)d.Amount ) ?? 0.00M );
                    }
                    else
                    {
                        qry = qry.OrderByDescending( t => t.TransactionDetails.Sum( d => (decimal?)d.Amount ) ?? 0.0M );
                    }
                }
                else
                {
                    qry = qry.Sort( sortProperty );
                }
            }
            else
            {
                qry = qry.OrderBy( t => t.Id );
            }

            // Row Limit
            int? rowLimit = gfTransactions.GetUserPreference( "Row Limit" ).AsIntegerOrNull();
            if ( rowLimit.HasValue )
            {
                qry = qry.Take( rowLimit.Value );
            }

            gTransactions.DataSource = qry.AsNoTracking().ToList();
            gTransactions.DataBind();
        }
예제 #5
0
        /// <summary>
        /// Binds the payments grid.
        /// </summary>
        private void BindPaymentsGrid()
        {
            if ( Registration != null  )
            {
                using ( var rockContext = new RockContext() )
                {
                    var currencyTypes = new Dictionary<int, string>();
                    var creditCardTypes = new Dictionary<int, string>();

                    int registrationEntityTypeId = EntityTypeCache.Read( typeof( Rock.Model.Registration ) ).Id;

                    // Get all the transactions related to this registration
                    var qry = new FinancialTransactionService( rockContext )
                        .Queryable().AsNoTracking()
                        .Where( t =>
                            t.TransactionDateTime.HasValue &&
                            t.TransactionDetails
                                .Any( d =>
                                    d.EntityTypeId.HasValue &&
                                    d.EntityTypeId.Value == registrationEntityTypeId &&
                                    d.EntityId.HasValue &&
                                    d.EntityId.Value == Registration.Id ) );

                    SortProperty sortProperty = gPayments.SortProperty;
                    if ( sortProperty != null )
                    {
                        if ( sortProperty.Property == "TotalAmount" )
                        {
                            if ( sortProperty.Direction == SortDirection.Ascending )
                            {
                                qry = qry.OrderBy( t => t.TransactionDetails.Sum( d => (decimal?)d.Amount ) ?? 0.00M );
                            }
                            else
                            {
                                qry = qry.OrderByDescending( t => t.TransactionDetails.Sum( d => (decimal?)d.Amount ) ?? 0.0M );
                            }
                        }
                        else
                        {
                            qry = qry.Sort( sortProperty );
                        }
                    }
                    else
                    {
                        qry = qry.OrderByDescending( t => t.TransactionDateTime ).ThenByDescending( t => t.Id );
                    }

                    gPayments.DataSource = qry.ToList().Select( p => new {
                        p.Id,
                        TransactionDateTime = p.TransactionDateTime.Value.ToShortDateString() + "<br/>" +
                            p.TransactionDateTime.Value.ToShortTimeString(),
                        Details = FormatDetails( p ),
                        p.TotalAmount });
                    gPayments.DataBind();
                }
            }
        }