lab/WpfApp2/MainWindow.xaml

<Window x:Class="WpfApp2.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:WpfApp2"
        mc:Ignorable="d"
        Title="MainWindow" Height="450" Width="800">
    <DataGrid 
    x:Name="phonesGrid" 
    AutoGenerateColumns="False" 
    HorizontalGridLinesBrush="DarkGray"
    RowBackground="LightGray" 
    AlternatingRowBackground="White">

        <DataGrid.Items>
            <local:Phone 
            Title="iPhone 6S" 
            Company="Apple" 
            Price="54990" />
            <local:Phone 
            Title="Lumia 950" 
            Company="Microsoft" 
            Price="39990" />
            <local:Phone 
            Title="Nexus 5X" 
            Company="Google" 
            Price="29990" />
        </DataGrid.Items>
        <DataGrid.Columns>
            <DataGridTextColumn 
            Header="Модель" 
            Binding="{Binding Path=Title}" 
            Width="90" />
            <DataGridHyperlinkColumn 
            Header="Компания" 
            Binding="{Binding Path=Company}" 
            Width="80" />
            <DataGridTextColumn 
            Header="Цена" 
            Binding="{Binding Path=Price}" 
            Width="50" />
        </DataGrid.Columns>
    </DataGrid>
</Window>