<Window x:Class="WPFSampleDataTester.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">
    <Grid>
        <StackPanel>
            
            <Button x:Name="btnCall" Click="btnCall_Click">
                Call Data
            </Button>
            <ListView x:Name="lvData"></ListView>
        </StackPanel>        
    </Grid>
</Window>
