I only want to show red dot for each datapoint in the line chart, not value.

Any help is greatly appreciated.

--xaml file---

<Window x:Class="XamChartMarkerVisibility.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="MainWindow" Height="350" Width="525" xmlns:igCA="http://infragistics.com/Chart">
    <Grid>
        <Grid.Resources>
            <Style x:Key="NoLabelMarker" TargetType="{x:Type igCA:Marker}">
                <Setter Property="Fill" Value="Black"/>
                <Setter Property="Stroke" Value="Black"/>
                <Setter Property="MarkerSize" Value=".5"/>
                <Setter Property="Foreground" Value="Transparent"/>
            </Style>
           
            <DataTemplate x:Key="dt">
                <Ellipse Width="10" Height="10" Fill="Red" Loaded="MLoad"/>
            </DataTemplate>
        </Grid.Resources>
        <igCA:XamChart Name="ColumnChart2D" Grid.Row="1" >
            <igCA:XamChart.Legend>
                <igCA:Legend Visible="False"/>
            </igCA:XamChart.Legend>

            <!-- Data points -->
            <igCA:XamChart.Series>

                <igCA:Series
          Label="Goal" x:Name="goalSeries1"
          ChartType="line"
          StrokeThickness="0"
          Fill="#FFD70005">
                    <igCA:Series.DataPoints>
                        <igCA:DataPoint Value="0.0" Label="A1" />
                        <igCA:DataPoint Value="0.5" Label="A2"/>
                        <igCA:DataPoint Value="0.8" Label="A3"/>
                        <igCA:DataPoint Value="0.7" Label="A4"/>
                        <igCA:DataPoint Value="0.9" Label="A5"/>
                    </igCA:Series.DataPoints>
                    <igCA:Series.Marker>
                        <igCA:Marker  UseDataTemplate="True" DataTemplate="{StaticResource dt}"/>
                    </igCA:Series.Marker>
                    <igCA:Series.Animation>
                        <igCA:Animation BeginTime="00:00:0.75" Duration="00:00:02"/>
                    </igCA:Series.Animation>
                </igCA:Series>

            </igCA:XamChart.Series>
        </igCA:XamChart>
    </Grid>
</Window>

--code behind file:--

 using System.Windows;
using System.Windows.Controls;
using System.Windows.Shapes;

namespace XamChartMarkerVisibility
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
        }

        void MLoad(object sender, RoutedEventArgs e)
        {
            var parent = ((sender as Ellipse).TemplatedParent as ContentPresenter).Parent;
            if ((sender as Ellipse).TranslatePoint(new Point(0,0),parent as UIElement).Y == 
                ((parent as FrameworkElement).ActualHeight ))
            {
                (sender as Ellipse).Opacity = 0;
            }
        }
    }
}