Wpf chart with smooth curved lines using visualizations not working with styles

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WPF

style

chart

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1)The first image(New Trend Graph.png) shows the graph with straight lines. But I don't want the straight lines.
(2)The second image(Merged batch Parameterwise Trend.png) shows the expected resulted image using C# WPF visualization.

Even I am using the style looking like this. Inspite of using StrokeLineJoin Property , I am not getting the expected result.

     <Style x:Key="DashedPolyLine" TargetType="{x:Type Polyline}">
            <Setter Property="StrokeThickness" Value="2" />
            <Setter Property="StrokeDashCap" Value="Round"></Setter>
            <Setter Property="Stroke" Value="Red" />
            <Setter Property="StrokeDashArray" Value="0,1,0,1"/>
            <Setter Property="Visibility" Value="Visible"/>
            <Setter Property="VerticalAlignment" Value="Center"/>
            <Setter Property="StrokeStartLineCap" Value="Round"/>
            <Setter Property="StrokeEndLineCap" Value="Round"/>
            <Setter Property="Opacity" Value="1"></Setter>
            <Setter Property="StrokeLineJoin" Value="Round"/>
            <Style.Triggers>
                <Trigger Property="IsMouseOver" Value="true">
                    <Setter Property="StrokeThickness" Value="4" />
                </Trigger>
            </Style.Triggers>
        </Style>

What I have tried:

I displayed the whole XAML code for my application:
  

<Window x:Class="GraphTest.MainWindow"
        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:GraphTest"
        mc:Ignorable="d"
        Title="MainWindow"
        Height="550"
        Width="1011"
        xmlns:DVC="clr-namespace:System.Windows.Controls.DataVisualization.Charting;assembly=System.Windows.Controls.DataVisualization.Toolkit"
        >
    <window.resources>
       
            &lt;!--&lt;Setter Property="Background" Value="{Binding Path=BatchTime, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}"/>-->
            &lt;!--Value="{DynamicResource line1}"-->
            &lt;Setter Property="Template" Value="{x:Null}"/>
       
       
            &lt;Setter Property="StrokeThickness" Value="2" />
            &lt;Setter Property="StrokeDashCap" Value="Round"></setter>
            &lt;Setter Property="Stroke" Value="Red" />
            &lt;Setter Property="StrokeDashArray" Value="0,1,0,1"/>
            &lt;Setter Property="Visibility" Value="Visible"/>
            &lt;Setter Property="VerticalAlignment" Value="Center"/>
            &lt;Setter Property="StrokeStartLineCap" Value="Round"/>
            &lt;Setter Property="StrokeEndLineCap" Value="Round"/>
            &lt;Setter Property="Opacity" Value="1"></setter>
            &lt;Setter Property="StrokeLineJoin" Value="Round"/>
            <Style.Triggers>
                &lt;Trigger Property="IsMouseOver" Value="true">
                    &lt;Setter Property="StrokeThickness" Value="4" />
                </trigger>
            </style.Triggers>
       
   
    <grid>
        <dvc:chart>
            <dvc:chart.axes>
                <DVC:LinearAxis x:Name="XAxis" Orientation="X" Title="Time" Margin="0,0,169,0" ShowGridLines="True">
                    <dvc:linearaxis.gridlinestyle>
                       
                            &lt;Setter Property="Stroke" Value="Black"/>
                            &lt;Setter Property="StrokeThickness" Value="1"/>
                            &lt;Setter Property="StrokeDashArray" Value="2,4"/>
                       
                   
               
                <DVC:LinearAxis x:Name="YAxis" Orientation="Y" Title="Temp" ShowGridLines="True">
                    <dvc:linearaxis.gridlinestyle>
                       
                            &lt;Setter Property="Stroke" Value="Black"/>
                            &lt;Setter Property="StrokeThickness" Value="1"/>
                            &lt;Setter Property="StrokeDashArray" Value="2,4"/>
                       
                   
               

           
            <dvc:chart.series>
                <DVC:LineSeries  x:Name="Series1"
                                 DependentValuePath="Value"
                                 DataPointStyle="{StaticResource InvisiblePointStyle}"
                                 IndependentValuePath="Key"
                                 PolylineStyle="{DynamicResource DashedPolyLine}"/>
           
       
   


Can anyone help me to find this?