ViewSubjectGradePage.xaml

<Page x:Class="LC_Points.View.ViewSubjectGradePage"
      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:local="using:LC_Points.View"
      xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
      Background="{ThemeResource ApplicationPageBackgroundThemeBrush}"
      mc:Ignorable="d">


  

    <Grid x:Name="LayoutRoot">

        <Grid.ChildrenTransitions>
            <TransitionCollection>
                <EntranceThemeTransition />
            </TransitionCollection>
        </Grid.ChildrenTransitions>

        <Grid.RowDefinitions>
            <RowDefinition Height="40*" />
            <RowDefinition Height="20*" />
            <RowDefinition Height="30*" />
            <RowDefinition Height="30*" />
            <RowDefinition Height="20*" />
            <RowDefinition Height="20*" />
        </Grid.RowDefinitions>

        <!--  Title Panel  -->
        <StackPanel Grid.Row="0" Margin="19,0,0,0">
            <TextBlock Margin="0,12,0,0"
                       Style="{ThemeResource TitleTextBlockStyle}"
                       Text="LC POINTS" />
            <TextBlock Margin="0,-6.5,0,26.5"
                       CharacterSpacing="{ThemeResource PivotHeaderItemCharacterSpacing}"
                       Foreground="DarkGreen"
                       Style="{ThemeResource HeaderTextBlockStyle}"
                       Text="View Grades" />
        </StackPanel>

        <!--  TODO: Content should be placed within the following grid  -->
        <Grid x:Name="ContentRoot"
              Grid.Row="1"
              Margin="19,9.5,19,0">

            <ListBox Height="400"
                     Margin="0,0,0,-329"
                     VerticalAlignment="Top"
                     ItemsSource="{Binding AddedSubjectGradePairsCopy}">
                <ListBox.ItemTemplate>
                    <DataTemplate>
                        <TextBlock>
                            <Run Text="{Binding Subject}" /><Run Text=" - " /><Run Text="{Binding Points}" />
                        </TextBlock>
                    </DataTemplate>
                </ListBox.ItemTemplate>
            </ListBox>

        </Grid>
    </Grid>
</Page>

ViewSubjectGradePage.xaml.cs

using LC_Points.Common;
using LC_Points.Model;
using LC_Points.ViewModel;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices.WindowsRuntime;
using Windows.Foundation;
using Windows.Foundation.Collections;
using Windows.Graphics.Display;
using Windows.UI.Popups;
using Windows.UI.ViewManagement;
using Windows.UI.Xaml;
using Windows.UI.Xaml.Controls;
using Windows.UI.Xaml.Controls.Primitives;
using Windows.UI.Xaml.Data;
using Windows.UI.Xaml.Input;
using Windows.UI.Xaml.Media;
using Windows.UI.Xaml.Navigation;

// The Basic Page item template is documented at http://go.microsoft.com/fwlink/?LinkID=390556

namespace LC_Points.View
{
    /// <summary>
    /// An empty page that can be used on its own or navigated to within a Frame.
    /// </summary>
    public sealed partial class ViewSubjectGradePage : Page
    {
        private NavigationHelper navigationHelper;


        public ViewSubjectGradePage()
        {
            this.InitializeComponent();

            this.navigationHelper = new NavigationHelper(this);
            this.navigationHelper.LoadState += this.NavigationHelper_LoadState;
            this.navigationHelper.SaveState += this.NavigationHelper_SaveState;

            this.DataContext = new ViewSubjectGradeViewModel();

        }

        /// <summary>
        /// Gets the <see cref="NavigationHelper"/> associated with this <see cref="Page"/>.
        /// </summary>
        public NavigationHelper NavigationHelper
        {
            get { return this.navigationHelper; }
        }


       

        /// <summary>
        /// Populates the page with content passed during navigation.  Any saved state is also
        /// provided when recreating a page from a prior session.
        /// </summary>
        /// <param name="sender">
        /// The source of the event; typically <see cref="NavigationHelper"/>
        /// </param>
        /// <param name="e">Event data that provides both the navigation parameter passed to
        /// <see cref="Frame.Navigate(Type, Object)"/> when this page was initially requested and
        /// a dictionary of state preserved by this page during an earlier
        /// session.  The state will be null the first time a page is visited.</param>
        private void NavigationHelper_LoadState(object sender, LoadStateEventArgs e)
        {
        }

        /// <summary>
        /// Preserves state associated with this page in case the application is suspended or the
        /// page is discarded from the navigation cache.  Values must conform to the serialization
        /// requirements of <see cref="SuspensionManager.SessionState"/>.
        /// </summary>
        /// <param name="sender">The source of the event; typically <see cref="NavigationHelper"/></param>
        /// <param name="e">Event data that provides an empty dictionary to be populated with
        /// serializable state.</param>
        private void NavigationHelper_SaveState(object sender, SaveStateEventArgs e)
        {
        }

        #region NavigationHelper registration

        /// <summary>
        /// The methods provided in this section are simply used to allow
        /// NavigationHelper to respond to the page's navigation methods.
        /// <para>
        /// Page specific logic should be placed in event handlers for the  
        /// <see cref="NavigationHelper.LoadState"/>
        /// and <see cref="NavigationHelper.SaveState"/>.
        /// The navigation parameter is available in the LoadState method 
        /// in addition to page state preserved during an earlier session.
        /// </para>
        /// </summary>
        /// <param name="e">Provides data for navigation methods and event
        /// handlers that cannot cancel the navigation request.</param>
        protected override void OnNavigatedTo(NavigationEventArgs e)
        {
            this.navigationHelper.OnNavigatedTo(e);
        }

        protected override void OnNavigatedFrom(NavigationEventArgs e)
        {
            this.navigationHelper.OnNavigatedFrom(e);
        }

        #endregion
    }
}

ViewSubjectGradeViewModel.cs

using GalaSoft.MvvmLight;
using GalaSoft.MvvmLight.Ioc;
using LC_Points.Model;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.ComponentModel;
using System.Text;

namespace LC_Points.ViewModel
{
    public class ViewSubjectGradeViewModel : ViewModelBase 
    {

              
         /// <summary>
        /// Initializes a new instance of the ViewSubjectGradeViewModel class.
        /// </summary>
        public ViewSubjectGradeViewModel()
        {

            AddedSubjectGradePairs = new ObservableCollection<ScoreModel>();
     
        }


        private ObservableCollection<ScoreModel> _addedSubjectGradePairs;
        public ObservableCollection<ScoreModel> AddedSubjectGradePairs
        {
            get { return _addedSubjectGradePairs; }
            set
            {
                if (value != _addedSubjectGradePairs)
                {
                    _addedSubjectGradePairs = value;
                    RaisePropertyChanged("AddedSubjectGradePairs");
                    
                }
            }
        }
        
    }
}