mainpage.xaml
1 <Grid x:Name="LayoutRoot" Background="White"> 2 <StackPanel Orientation="Vertical" > 3 <Button Content="Export to Excel" Height="23" HorizontalAlignment="Left" x:Name="button1" VerticalAlignment="Top" Width="150" Click="button1_Click" /> 4 <toolkit:Chart HorizontalAlignment="Left" Name="chart1" Title="Line Chart" VerticalAlignment="Top" Height="300" Width="640" > 5 </toolkit:Chart> 6 </StackPanel> 7 </Grid>