R29/WpfApp29/Pages/UserListPage.xaml

<Page x:Class="WpfApp29.Pages.UserListPage"
      xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
      xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
      xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
      xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
      xmlns:local="clr-namespace:WpfApp29.Pages" xmlns:uc="clr-namespace:WpfApp29.UserControls"
      mc:Ignorable="d" 
      d:DesignHeight="450" d:DesignWidth="800"
      Title="UserListPage">
    <Grid>
        <Border Grid.Row="1" Padding="50" VerticalAlignment="Center" HorizontalAlignment="Center" 
                Background="#E5ECCC74" BorderThickness="6" CornerRadius="30" BorderBrush="#FF312B04" Height="307" Grid.RowSpan="2">
            <ScrollViewer>
                <DataGrid AutoGenerateColumns="False" CanUserResizeColumns="True" ItemsSource="{Binding Users}" FontSize="25">
                    <DataGrid.Columns>
                        <DataGridTextColumn Header="ID" Binding="{Binding Id}"/>
                        <DataGridTextColumn Header="Логин" Binding="{Binding Login}"/>
                        <DataGridTextColumn Header="Фамилия" Binding="{Binding Familiya}"/>
                        <DataGridTextColumn Header="Имя" Binding="{Binding Name}"/>
                        <DataGridTextColumn Header="Отчество" Binding="{Binding Otchestvo}"/>
                        <DataGridTextColumn Header="Номер телефона" Binding="{Binding Phone}"/>
                    </DataGrid.Columns>
                </DataGrid>
            </ScrollViewer>
        </Border>
    </Grid>
</Page>