<Window
        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:WpfApplication5" mc:Ignorable="d" x:Class="WpfApplication5.MainWindow"
        Title="MainWindow" Height="350" Width="525" Loaded="Window_Loaded_1">
    <Window.Resources>
        <CollectionViewSource x:Key="car_model_each_plantViewSource" d:DesignSource="{d:DesignInstance {x:Type local:car_model_each_plant}, CreateList=True}"/>
        <CollectionViewSource x:Key="list_With_SurnamesViewSource" d:DesignSource="{d:DesignInstance {x:Type local:List_With_Surnames}, CreateList=True}"/>
    </Window.Resources>
    <Grid DataContext="{StaticResource car_model_each_plantViewSource}">
        <DataGrid x:Name="list_With_SurnamesDataGrid" AutoGenerateColumns="False" EnableRowVirtualization="True" ItemsSource="{Binding Source={StaticResource list_With_SurnamesViewSource}}" Margin="26,41,91,79" RowDetailsVisibilityMode="VisibleWhenSelected">
            <DataGrid.Columns>
                
                <DataGridTextColumn x:Name="iDColumn" Binding="{Binding ID}" Header="ID" Width="SizeToHeader"/>
                <DataGridTextColumn x:Name="surnameColumn" Binding="{Binding Surname}" Header="Surname" Width="SizeToHeader"/>
            </DataGrid.Columns>
        </DataGrid>
    </Grid>
</Window>

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
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;

namespace WpfApplication5
{
    /// <summary>
    /// Логика взаимодействия для MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
        }

        private void Window_Loaded_1(object sender, RoutedEventArgs e)
        {

               System.Windows.Data.CollectionViewSource list_With_SurnamesViewSource = ((System.Windows.Data.CollectionViewSource)(this.FindResource("list_With_SurnamesViewSource")));
            // Загрузите данные, установив свойство CollectionViewSource.Source:
            // list_With_SurnamesViewSource.Source = [универсальный источник данных]
        }
    }
}

// Загрузите данные, установив свойство CollectionViewSource.Source:
// list_With_SurnamesViewSource.Source = [универсальный источник данных]

System.Windows.Data.CollectionViewSource list_With_SurnamesViewSource = ((System.Windows.Data.CollectionViewSource)(this.FindResource("list_With_SurnamesViewSource")));
            // Загрузите данные, установив свойство CollectionViewSource.Source:
            // list_With_SurnamesViewSource.Source = [универсальный источник данных]
            var rr = new MyDataBaseEntities();
            list_With_SurnamesViewSource.Source = rr.List_With_Surnames;