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Каркас приложения. Модель данных. Привязка данных. Табличный вывод.

MainWindow.xaml.cs

using System.Diagnostics;
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 wpf_template.models;

namespace wpf_template
{
    public partial class MainWindow : Window
    {
        public IEnumerable<people> peopleList { get; set; }
        public MainWindow()
        {
            InitializeComponent();
            DataContext = this;
            Globals.dataProvider = new LocalDataProvider();
            peopleList = Globals.dataProvider.getpeople();
        }

        private void ExitButton_Click(object sender, RoutedEventArgs e)
        {
            Application.Current.Shutdown();

        }

    }
    interface IDataProvider
    {
        IEnumerable<people> getpeople();
    }
    public class LocalDataProvider : IDataProvider
    {
        public IEnumerable<people> getpeople()
        {
            return new people[]{
            new people
            {
                price=500,
                name="Марина",
                age=19
            },
            new people
            {
                price=9600,
                name="Вика",
                age=21
            },
            new people
            {
                price=50,
                name="Кристина",
                age=17
            },

        };

        }
    }
}

MainWindow.xaml

<Window x:Class="wpf_template.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:wpf_template"
        mc:Ignorable="d"
        Title="MainWindow" Height="450" Width="800">
    <Grid ShowGridLines="True">
        <Grid.RowDefinitions>
            <RowDefinition Height="auto"/>
            <RowDefinition />
            <RowDefinition Height="auto"/>
        </Grid.RowDefinitions>
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="200"/>
            <ColumnDefinition/>
        </Grid.ColumnDefinitions>

        <!-- типа логотип компании -->
        <DataGrid
    Grid.Row="1"
    Grid.Column="1"
    CanUserAddRows="False"
    AutoGenerateColumns="False"
    ItemsSource="{Binding peopleList}">
            <DataGrid.Columns>
                <DataGridTextColumn
            Header="Имя"
            Binding="{Binding name}"/>
                <DataGridTextColumn
            Header="Возраст"
            Binding="{Binding age}"/>
                <DataGridTextColumn
            Header="Цена"
            Binding="{Binding price}"/>
            </DataGrid.Columns>
        </DataGrid>
        <StackPanel 
        Orientation="Vertical"
        Grid.RowSpan="3"
        VerticalAlignment="Bottom">
            <Button 
            x:Name="ExitButton"
            Content="Выход" 
            Click="ExitButton_Click"
            Height="50"/>
        </StackPanel>

        <WrapPanel
        Orientation="Horizontal"
        Grid.Column="1"
        MinHeight="50">
            <!-- минимальную высоту я тут поставил, чтобы верхнюю строку сетки было видно. В реальном приложении она не нужна -->
        </WrapPanel>
        <Image 
        Source="./img/1.jpg" 
        Grid.RowSpan="2"/>
    </Grid>
</Window>

Class1.cs

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

namespace wpf_template.models
{
    public class people
    {
        public string name { get; set; }
        public int age { get; set; }
        public int price { get; set; }
        public string photo { get; set; }
    }
    public class places
    { 
    public int price { get; set; }
    public string place { get; set; }
    }
}

Class2.cs

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

namespace wpf_template.models
{
    class Globals
    {
        public static IDataProvider dataProvider;
    }
}

Выглядит так:

Там почему то нет картинки .. но вот как оно должно выглядеть: