How to draw dotted line using line series in SfChart?

<Syncfusion:LineSeries   ItemsSource="{Binding}" XBindingPath="CompanyName"

                   Palette="Metro"   YBindingPath="CompanyTurnOver">

   <!-- Customtemplate for draw Dotted line in LineSeries-->                

        <Syncfusion:LineSeries.CustomTemplate>

            <DataTemplate>

                        <Line StrokeDashArray="1,1" X1="{Binding X1}" StrokeThickness="3"

                            X2="{Binding X2}" Y1="{Binding Y1}" Y2="{Binding Y2}"

                            Stroke="Green"/>

            </DataTemplate>

        </Syncfusion:LineSeries.CustomTemplate>

    </Syncfusion:LineSeries>