WPF-Chart显示柱状图

<Window
        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:WpfApp1"
        xmlns:dc="clr-namespace:System.Windows.Controls.DataVisualization.Charting;assembly=System.Windows.Controls.DataVisualization.Toolkit" x:Class="WpfApp1.MainWindow"
        xmlns:dt="clr-namespace:System.Windows.Controls.DataVisualization;assembly=System.Windows.Controls.DataVisualization.Toolkit"
        mc:Ignorable="d"
        Title="MainWindow" Height="450" Width="800" Loaded="Window_Loaded">
    <Window.Resources>
        <Style TargetType="{x:Type dt:Legend}" x:Key="legendStyle">
            <Setter Property="Width" Value="0"/>
            <Setter Property="Height" Value="0"/>

            <Setter Property="Background" Value="{x:Null}"/>
        </Style>
    </Window.Resources>
    <Grid Margin="0,0,239.333,-29.333">

        <dc:Chart x:Name="mcChart"   HorizontalAlignment="Left" Margin="42,43,0,0" 
                  VerticalAlignment="Top" Height="368" Width="454" LegendStyle="{StaticResource legendStyle}">
            <dc:ColumnSeries x:Name="columSer" BorderBrush="{x:Null}"
                             FontSize="10" BorderThickness="0" 
                             IndependentValueBinding="{Binding X}"  
                             DependentValueBinding="{Binding Y}" 
                             VerticalAlignment="Top" VerticalContentAlignment="Top" 
                             Width="{Binding Path=Width,ElementName=mcChart}"
                             Height="{Binding Path=Height,ElementName=mcChart}"  >
            </dc:ColumnSeries>
           
        </dc:Chart>

    </Grid>
</Window>

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Controls.DataVisualization.Charting;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

namespace WpfApp1
{
    /// <summary>
    /// MainWindow.xaml 的交互逻辑
    /// </summary>
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
        }

        private void Window_Loaded(object sender, RoutedEventArgs e)
        {
            columSer.ItemsSource = new List<Point>
            {
                new Point(1, 100),
                new Point(2, 130),
                new Point(3, 150),
                new Point(6, 125),
                new Point(5, 200) ,
                new Point(4, 500)
            };
        }
    }
}