ErmolinExamApplication/RatingPage.xaml

<Page x:Class="ModuleExam.RatingPage"
      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:ModuleExam"
      mc:Ignorable="d" 
      d:DesignHeight="450" d:DesignWidth="800"
      Title="RatingPage">

    <Grid Background="White">
        <Grid.RowDefinitions>
            <RowDefinition Height="10*"/>
            <RowDefinition Height="*"/>
        </Grid.RowDefinitions>

        <ListView Grid.Row="0" Name="UsersList">
            <ListView.ItemsPanel>
                <ItemsPanelTemplate>
                    <StackPanel Orientation="Vertical"/>
                </ItemsPanelTemplate>
            </ListView.ItemsPanel>

            <ListView.ItemTemplate>
                <DataTemplate>
                    <Border>
                        <StackPanel Orientation="Horizontal">
                            <TextBlock Text="{Binding FullName}"/>
                            <TextBlock Margin="10,0,0,0" Text="{Binding TotalScore}"/>
                            <TextBlock Margin="10,0,0,0" Uid="{Binding UserId}" Loaded="PlaceInList"/>
                        </StackPanel>
                    </Border>
                </DataTemplate>
            </ListView.ItemTemplate>
        </ListView>

        <StackPanel HorizontalAlignment="Center" Grid.Row="1">
            <Button Content="Вернуться назад" Click="GoBack"/>
        </StackPanel>
    </Grid>
</Page>