//WCF
//D:\C\WcfService4\WcfService4\Web.config
<?xml version="1.0"?>
<configuration>
  <appSettings>
    <add key="aspnet:UseTaskFriendlySynchronizationContext" value="true" />
  </appSettings>
  <system.web>
    <compilation debug="true" targetFramework="4.8" />
    <httpRuntime targetFramework="4.8" maxRequestLength="2147483647"/>
  </system.web>
  <system.serviceModel>
      <services>
          <service name="WcfService4.BookService">
              <endpoint address=""
                        binding="webHttpBinding"
                        bindingConfiguration="WebHttpBinding_IBookSerive"
                        behaviorConfiguration="webBehavior_test"
                        contract="WcfService4.IBookService"/>
              <host>
                  <baseAddresses>
                      <add baseAddress="http://localhost:8080"/>
                  </baseAddresses>
              </host>
          </service>
      </services>

      <bindings>
          <webHttpBinding>
              <binding name="WebHttpBinding_IBookSerive"
                       maxBufferPoolSize="2147483647"
                       maxReceivedMessageSize="2147483647">
                  <readerQuotas
                      maxDepth="2147483647"
                      maxStringContentLength="2147483647"
                      maxArrayLength="2147483647"
                      maxBytesPerRead="2147483647"
                      maxNameTableCharCount="2147483647"/>
              </binding>
          </webHttpBinding>
      </bindings>
      
    <behaviors>
        <endpointBehaviors>
            <behavior name="webBehavior_test">
                <webHttp/>
            </behavior>
        </endpointBehaviors>
        
      <serviceBehaviors>
        <behavior>
          <!-- To avoid disclosing metadata information, set the values below to false before deployment -->
          <serviceMetadata httpGetEnabled="true" httpsGetEnabled="true"/>
          <!-- To receive exception details in faults for debugging purposes, set the value below to true.  Set to false before deployment to avoid disclosing exception information -->
          <serviceDebug includeExceptionDetailInFaults="true"/>
        </behavior>
      </serviceBehaviors>
    </behaviors>
      
    <serviceHostingEnvironment aspNetCompatibilityEnabled="true" multipleSiteBindingsEnabled="true" />
  </system.serviceModel>

    <system.webServer>
        <modules runAllManagedModulesForAllRequests="true"/>
        <rewrite>
            <rules>
                <rule name="WCF Without SVC" stopProcessing="true">
                    <match url="^(.*)$"/>
                    <conditions logicalGrouping="MatchAll">
                        <add input="{REQUEST_FILENAME}" matchType="IsFile"
                             negate="true"/>
                        <add input="{REQUEST_FILENAME}" matchType="IsDirectory" negate="true"/>
                    </conditions>
                    <action type="Rewrite" url="BookService.svc/{R:1}"/>
                </rule>
            </rules>
        </rewrite>
        <directoryBrowse enabled="true"/>
    </system.webServer>
</configuration>

//D:\C\WcfService4\WcfService4\IBookService.cs
using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.Serialization;
using System.ServiceModel;
using System.ServiceModel.Web;
using System.Text;

namespace WcfService4
{
    // NOTE: You can use the "Rename" command on the "Refactor" menu to change the interface name "IBookService" in both code and config file together.
    [ServiceContract]
    public interface IBookService
    {
        [OperationContract]
        [WebGet(UriTemplate="GetBooksList?cnt={cnt}",RequestFormat =WebMessageFormat.Json, ResponseFormat =WebMessageFormat.Json)]
        List<Book> GetBooksList(int cnt);
    }


    [DataContract]
    public class Book
    {
        [DataMember(IsRequired = true,Order =1)]
        public long Id { get; set; }

        [DataMember(IsRequired = true, Order = 2)]
        public string Author { get; set; }

        [DataMember(IsRequired = true, Order = 3)]
        public string Abstract { get; set; }

        [DataMember(IsRequired = true, Order = 4)]
        public string Name { get; set; }

        [DataMember(IsRequired = true, Order = 5)]
        public string ISBN {  get; set; }

        [DataMember(IsRequired = true, Order = 6)]
        public string Title {  get; set; }

        [DataMember(IsRequired = true, Order = 7)]
        public string Topic {  get; set; }

        [DataMember(IsRequired =true, Order = 8)]
        public string Comment { get; set;  }

        [DataMember(IsRequired =true,Order = 9)]
        public string Content { get; set; }

        [DataMember(IsRequired =true,Order =10)]
        public string Summary {  get; set; }
    }
}

//D:\C\WcfService4\WcfService4\BookService.svc.cs
using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.Serialization;
using System.ServiceModel;
using System.Text;
using System.Threading;

namespace WcfService4
{
    // NOTE: You can use the "Rename" command on the "Refactor" menu to change the class name "BookService" in code, svc and config file together.
    // NOTE: In order to launch WCF Test Client for testing this service, please select BookService.svc or BookService.svc.cs at the Solution Explorer and start debugging.
    public class BookService : IBookService
    {
        private static long idx = 0;
        private long GetIncrementIdx()
        {
            return Interlocked.Increment(ref idx);
        }

        public List<Book> GetBooksList(int cnt)
        {
            List<Book> bksList = new List<Book>();
            for (int i = 0; i < cnt; i++)
            {
                long a = GetIncrementIdx();
                bksList.Add(new Book()
                {
                    Id = a,
                    Name = $"Name_{a}",
                    ISBN = $"ISBN_{a}",
                    Comment = $"Comment_{a}",
                    Content = $"Content_{a}",
                    Summary = $"Summary_{a}",
                    Author = $"Author_{a}",
                    Abstract = $"Abstract_{a}",
                    Title = $"Title_{a}",
                    Topic = $"Topic_{a}"
                });
            }
            return bksList;
        }
    }
}

Install-Package Newtonsoft.json

<Window x:Class="WpfApp27.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:WpfApp27"
        mc:Ignorable="d"
        Title="{Binding MainTitle}"
        WindowState="Maximized">
    <Window.DataContext>
        <local:MainVM/>
    </Window.DataContext>
    <Grid>
        <DataGrid ItemsSource="{Binding BooksCollection}"
                  VirtualizingPanel.IsVirtualizing="True"
                  VirtualizingPanel.VirtualizationMode="Recycling"
                  VirtualizingPanel.CacheLength="5,5"
                  VirtualizingPanel.CacheLengthUnit="Item"
                  ScrollViewer.CanContentScroll="True"
                  ScrollViewer.IsDeferredScrollingEnabled="True"
                  UseLayoutRounding="True"
                  SnapsToDevicePixels="True"
                  EnableColumnVirtualization="True"
                  EnableRowVirtualization="True"
                  AutoGenerateColumns="True"
                  CanUserAddRows="False">
            <DataGrid.Resources>
                <Style TargetType="DataGridRow">
                    <Setter Property="FontSize" Value="30"/>
                    <Style.Triggers>
                        <Trigger Property="IsMouseOver" Value="True">
                            <Setter Property="FontSize" Value="50"/>
                            <Setter Property="Foreground" Value="Red"/>
                        </Trigger>
                    </Style.Triggers>
                </Style>
            </DataGrid.Resources>
        </DataGrid>
    </Grid>
</Window>


using Newtonsoft.Json;
using System.Collections.ObjectModel;
using System.ComponentModel;
using System.Net.Http;
using System.Runtime.CompilerServices;
using System.Runtime.Serialization;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using System.Windows.Threading;

namespace WpfApp27
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
        }
    }

    public class MainVM : INotifyPropertyChanged
    {
        HttpClient client;
        DispatcherTimer tmr;
        string url = "http://localhost:55548/getbookslist?cnt=1000000";
        public MainVM()
        {
            client = new HttpClient();
            Task.Run(async () =>
            {
                await DownloadHttpJsonAsync();
            });
            
            tmr = new DispatcherTimer();
            tmr.Interval = TimeSpan.FromSeconds(10);
            tmr.Tick += async (s, e) =>
            {
                await DownloadHttpJsonAsync();
            };
            tmr.Start();
                   
        }

        private async Task DownloadHttpJsonAsync()
        {
            try
            {
                string jsonStr = await client.GetStringAsync(url);
                if (!string.IsNullOrWhiteSpace(jsonStr))
                {
                    var booksList = JsonConvert.DeserializeObject<List<Book>>(jsonStr);
                    if (booksList != null && booksList.Any())
                    {
                        BooksCollection = new ObservableCollection<Book>(booksList);
                        MainTitle = $"{DateTime.Now},loaded {BooksCollection.Count()} books,first id:{BooksCollection.FirstOrDefault().Id},Last Id:{BooksCollection.LastOrDefault().Id}";
                    }
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show($"{ex.Message}", $"{DateTime.Now}");                 
            }            
        }

        private string mainTitle = $"{DateTime.Now},loading...";
        public string MainTitle
        {
            get
            {
                return mainTitle;
            }
            set
            {
                if(value!= mainTitle)
                {
                    mainTitle = value;
                    OnPropertyChanged();
                }
            }
        }
       
        private ObservableCollection<Book> booksCollection;
        public ObservableCollection<Book> BooksCollection
        {
            get
            {
                return booksCollection;
            }
            set
            {
                if(value!=booksCollection)
                {
                    booksCollection = value;
                    OnPropertyChanged();
                }
            }
        }

        public event PropertyChangedEventHandler? PropertyChanged;
        private void OnPropertyChanged([CallerMemberName]string propName="")
        {
            var handler = PropertyChanged;
            handler?.Invoke(this, new PropertyChangedEventArgs(propName));
        }
    }

    [DataContract]
    public class Book
    {
        [DataMember(IsRequired = true, Order = 1)]
        public long Id { get; set; }

        [DataMember(IsRequired = true, Order = 2)]
        public string Author { get; set; }

        [DataMember(IsRequired = true, Order = 3)]
        public string Abstract { get; set; }

        [DataMember(IsRequired = true, Order = 4)]
        public string Name { get; set; }

        [DataMember(IsRequired = true, Order = 5)]
        public string ISBN { get; set; }

        [DataMember(IsRequired = true, Order = 6)]
        public string Title { get; set; }

        [DataMember(IsRequired = true, Order = 7)]
        public string Topic { get; set; }

        [DataMember(IsRequired = true, Order = 8)]
        public string Comment { get; set; }

        [DataMember(IsRequired = true, Order = 9)]
        public string Content { get; set; }

        [DataMember(IsRequired = true, Order = 10)]
        public string Summary { get; set; }
    }


}