‫نحوه ایجاد فیلدهای محاسباتی در PdfReport

using System;
using System.Collections.Generic;
using PdfReportSamples.Models;
using PdfRpt.Core.Contracts;
using PdfRpt.Core.Helper;
using PdfRpt.FluentInterface;

namespace PdfReportSamples.CalculatedFields
{
    public class CalculatedFieldsPdfReport
    {
        public IPdfReportData CreatePdfReport()
        {
            return new PdfReport().DocumentPreferences(doc =>
            {
                doc.RunDirection(PdfRunDirection.RightToLeft);
                doc.Orientation(PageOrientation.Portrait);
                doc.PageSize(PdfPageSize.A4);
                doc.DocumentMetadata(new DocumentMetadata { Author = "Vahid", Application = "PdfRpt", Keywords = "Test", Subject = "Test Rpt", Title = "Test" });
            })
             .DefaultFonts(fonts =>
             {
                 fonts.Path(AppPath.ApplicationPath + "\\fonts\\irsans.ttf",
                            Environment.GetEnvironmentVariable("SystemRoot") + "\\fonts\\verdana.ttf");
             })
             .PagesFooter(footer =>
             {
                 footer.DefaultFooter(printDate: DateTime.Now.ToString("MM/dd/yyyy"));
             })
             .PagesHeader(header =>
             {
                 header.DefaultHeader(defaultHeader =>
                 {
                     defaultHeader.ImagePath(AppPath.ApplicationPath + "\\Images\\01.png");
                     defaultHeader.Message("گزارش جدید ما");
                 });
             })
             .MainTableTemplate(template =>
             {
                 template.BasicTemplate(BasicTemplate.RainyDayTemplate);
             })
             .MainTablePreferences(table =>
             {
                 table.ColumnsWidthsType(TableColumnWidthType.Relative);
             })
             .MainTableDataSource(dataSource =>
             {
                 var listOfRows = new List<User>();
                 for (int i = 0; i < 220; i++)
                 {
                     listOfRows.Add(new User { Id = i, LastName = "نام خانوادگی " + i, Name = "نام " + i, Balance = i + 1000 });
                 }
                 dataSource.StronglyTypedList<User>(listOfRows);
             })
             .MainTableEvents(events =>
             {
                 events.DataSourceIsEmpty(message: "رکوردی یافت نشد.");
             })
             .MainTableSummarySettings(summary =>
             {
                 summary.OverallSummarySettings("جمع");
                 summary.PreviousPageSummarySettings("نقل از صفحه قبل");
                 summary.PageSummarySettings("جمع صفحه");
             })
             .MainTableColumns(columns =>
             {
                 columns.AddColumn(column =>
                 {
                     column.PropertyName("rowNo");
                     column.IsRowNumber(true);
                     column.CellsHorizontalAlignment(HorizontalAlignment.Center);
                     column.IsVisible(true);
                     column.Order(0);
                     column.Width(1);
                     column.HeaderCell("ردیف", captionRotation: 90);
                 });

                 columns.AddColumn(column =>
                 {
                     column.PropertyName<User>(x => x.Id);
                     column.CellsHorizontalAlignment(HorizontalAlignment.Center);
                     column.IsVisible(true);
                     column.Order(1);
                     column.Width(2);
                     column.HeaderCell("شماره");
                 });

                 columns.AddColumn(column =>
                 {
                     column.PropertyName<User>(x => x.Name);
                     column.CellsHorizontalAlignment(HorizontalAlignment.Center);
                     column.IsVisible(true);
                     column.Order(2);
                     column.Width(2);
                     column.HeaderCell("نام");
                 });

                 columns.AddColumn(column =>
                 {
                     column.PropertyName<User>(x => x.LastName);
                     column.CellsHorizontalAlignment(HorizontalAlignment.Center);
                     column.IsVisible(true);
                     column.Order(3);
                     column.Width(3);
                     column.HeaderCell("نام خانوادگی");
                 });

                 columns.AddColumn(column =>
                 {
                     column.PropertyName("CF1");
                     column.CalculatedField(true,
                         list =>
                         {
                             if (list == null) return string.Empty;
                             var name = list.GetSafeStringValueOf<User>(x => x.Name);
                             var lastName = list.GetSafeStringValueOf<User>(x => x.LastName);
                             return name + " - " + lastName;
                         });
                     column.HeaderCell("ف.م.");
                     column.Width(3);
                     column.CellsHorizontalAlignment(HorizontalAlignment.Center);
                     column.IsVisible(true);
                     column.Order(4);
                 });

                 columns.AddColumn(column =>
                 {
                     column.PropertyName<User>(x => x.Balance);
                     column.HeaderCell("موجودی");
                     column.ColumnItemsTemplate(template =>
                     {
                         template.TextBlock();
                         template.DisplayFormatFormula(obj => obj == null ? string.Empty : string.Format("{0:n0}", obj));
                     });
                     column.Width(2);
                     column.AggregateFunction(aggregateFunction =>
                     {
                         aggregateFunction.NumericAggregateFunction(AggregateFunction.Sum);
                         aggregateFunction.DisplayFormatFormula(obj => obj == null ? string.Empty : string.Format("{0:n0}", obj));
                     });
                     column.CellsHorizontalAlignment(HorizontalAlignment.Center);
                     column.IsVisible(true);
                     column.Order(5);
                 });

                 columns.AddColumn(column =>
                 {
                     column.PropertyName("CF2");
                     column.HeaderCell("ف.م.");
                     column.Width(3);
                     column.AggregateFunction(aggregateFunction =>
                     {
                         aggregateFunction.NumericAggregateFunction(AggregateFunction.Sum);
                         aggregateFunction.DisplayFormatFormula(obj => obj == null ? string.Empty : string.Format("{0:n0}", obj));
                     });
                     column.CellsHorizontalAlignment(HorizontalAlignment.Center);
                     column.ColumnItemsTemplate(template =>
                     {
                         template.TextBlock();
                         template.DisplayFormatFormula(obj => obj == null ? string.Empty : string.Format("{0:n0}", obj));
                     });
                     column.CalculatedField(true,
                         list =>
                         {
                             if (list == null) return string.Empty;
                             var balance = list.GetValueOf<User>(x => x.Balance);
                             return (long)balance * 3;
                         });
                     column.IsVisible(true);
                     column.Order(6);
                 });
             })
             .Export(export =>
             {
                 export.ToExcel(footer: "Footer text", header: "&24&U&\"Arial,Regular Bold\" New rpt.", pageLayoutView: true);
                 export.ToXml();
             })
             .Generate(data => data.AsPdfFile(AppPath.ApplicationPath + "\\Pdf\\RptCalculatedFieldsSample.pdf"));
        }
    }
}

 column.IsRowNumber(true);

                 columns.AddColumn(column =>
                 {
                     column.PropertyName("CF1");
                     column.CalculatedField(true,
                         list =>
                         {
                             if (list == null) return string.Empty;
                             var name = list.GetSafeStringValueOf<User>(x => x.Name);
                             var lastName = list.GetSafeStringValueOf<User>(x => x.LastName);
                             return name + " - " + lastName;
                         });
                     column.HeaderCell("ف.م.");
                     column.Width(3);
                     column.CellsHorizontalAlignment(HorizontalAlignment.Center);
                     column.IsVisible(true);
                     column.Order(4);
                 });

 public void CalculatedField(bool isCalculatedField, Func<IList<CellData>, object> calculatedFieldFormula)

                 columns.AddColumn(column =>
                 {
                     column.PropertyName("CF2");
                     column.HeaderCell("ف.م.");
                     column.Width(3);
                     column.AggregateFunction(aggregateFunction =>
                     {
                         aggregateFunction.NumericAggregateFunction(AggregateFunction.Sum);
                         aggregateFunction.DisplayFormatFormula(obj => obj == null ? string.Empty : string.Format("{0:n0}", obj));
                     });
                     column.CellsHorizontalAlignment(HorizontalAlignment.Center);
                     column.ColumnItemsTemplate(template =>
                     {
                         template.TextBlock();
                         template.DisplayFormatFormula(obj => obj == null ? string.Empty : string.Format("{0:n0}", obj));
                     });
                     column.CalculatedField(true,
                         list =>
                         {
                             if (list == null) return string.Empty;
                             var balance = list.GetValueOf<User>(x => x.Balance);
                             return (long)balance * 3;
                         });
                     column.IsVisible(true);
                     column.Order(6);
                 });