//// This code is part of Document Solutions for Word demos.// Copyright (c) MESCIUS inc. All rights reserved.//using System;using System.Globalization;using GrapeCity.Documents.Word;
namespace DsWordWeb.Demos{    // This example demonstrates the available arithmetic operators    // that can be used with the 'calc' report templates feature    // to perform arithmetic operations on data.    // For example, to insert the sum of two data fields,    // the template '{{calc ds.a + ds.b)}}' can be used.    // The data source used in this demo is a list of pairs of random decimal values.    public class DataTplArithmeticOps    {        public GcWordDocument CreateDocx()        {            var rnd = Util.NewRandom();            decimal next()            {                return new decimal(Math.Round((double)rnd.Next(1, 1000000) / rnd.Next(1, 100), 2));            }
            // A simple data source with pairs of random numeric data:            var data = new[]            {                new { a = next(), b = next() },                new { a = next(), b = next() },                new { a = next(), b = next() },                new { a = next(), b = next() },                new { a = next(), b = next() },                new { a = next(), b = next() },            };
            var doc = new GcWordDocument();
            // Add the data source:            doc.DataTemplate.DataSources.Add("ds", data);            var paras = doc.Body.Paragraphs;
            // Styles and templates to show results:            var myListTemplate = doc.ListTemplates.Add(BuiltInListTemplateId.NumberDefault, "myListTemplate");            var resStyle = doc.Styles[BuiltInStyleId.Strong];
            // Print data and result for each record (\x200B is a zero-width space to prevent template expansion):            paras.Add("Pairs of data values and results of arithmetic operations on them:", doc.Styles[BuiltInStyleId.Heading2]);
            var p = paras.Add("{{#ds}}a = ", doc.Styles[BuiltInStyleId.ListParagraph]);            p.GetRange().Runs.Add("{{ds.a}}", resStyle);            p.GetRange().Runs.Add(", b = ");            p.GetRange().Runs.Add("{{ds.b}}\n", resStyle);            p.GetRange().Runs.Add("{\x200B{ calc ds.a + ds.b }} :  ");            p.GetRange().Runs.Add("{{ calc ds.a + ds.b }}\n", resStyle);
            p.GetRange().Runs.Add("{\x200B{ calc ds.a - ds.b }} :  ");            p.GetRange().Runs.Add("{{ calc ds.a - ds.b }}\n", resStyle);            p.GetRange().Runs.Add("{\x200B{ calc ds.a * ds.b }} :  ");            p.GetRange().Runs.Add("{{ calc ds.a * ds.b }}\n", resStyle);            p.GetRange().Runs.Add("{\x200B{ calc ds.a / ds.b }} :  ");            p.GetRange().Runs.Add("{{ calc ds.a / ds.b }}\n", resStyle);            p.GetRange().Runs.Add("{{/ds}}");            p.ListFormat.Template = myListTemplate;
            // Process the templates:            doc.DataTemplate.Process(CultureInfo.GetCultureInfo("en-US"));
            // Add a short note describing the demo at the top of the document:            paras.Insert(                "This example demonstrates the available arithmetic operators " +                "that can be used with the 'calc' report templates feature " +                "to perform arithmetic operations on data." +                "For example, to insert the sum of two data fields, " +                "the template '{{calc ds.a + ds.b)}}' can be used. " +                "The data source used in this demo is a list of pairs of random decimal values. " +                "Please see this sample source code for full details.",                InsertLocation.Start);            paras.Insert("Report templates: calc arithmetic operators", doc.Styles[BuiltInStyleId.Heading1], InsertLocation.Start);
            // Done:            return doc;        }    }}