Calculating hash values in Windows Metro Style applications using C#

<Page
    x:Class="HashSampleMetro.MainPage"
    IsTabStop="false"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:local="using:HashSampleMetro"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    mc:Ignorable="d">

    <Grid Background="{StaticResource ApplicationPageBackgroundThemeBrush}">
        <TextBlock HorizontalAlignment="Left" Margin="104,282,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Text="Text to Create the Hash Value " FontSize="24"/>
        <TextBox x:Name="txtValue" HorizontalAlignment="Left" Margin="446,282,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Width="606"/>
        <Button x:ConnectionId='1' x:Name="btnCalculate" Content="Calculate Hash" HorizontalAlignment="Left" Margin="1076,274,0,0" VerticalAlignment="Top"                        Width="235" FontSize="24" FontWeight="Bold"/>
        <TextBlock x:Name="lblResultHeder" HorizontalAlignment="Left" Margin="104,404,0,0" TextWrapping="Wrap" VerticalAlignment="Top">
        	<Run FontSize="24" Text="Result"/>
        	<Run Text=" "/>
        </TextBlock>
        <TextBlock x:Name="lblResult" HorizontalAlignment="Left" Margin="208,404,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Height="29" Width="1103" FontSize="24" FontWeight="Bold"/>
        <TextBlock HorizontalAlignment="Left" Margin="104,348,0,0" TextWrapping="Wrap" VerticalAlignment="Top" FontSize="24">
        	<Run FontSize="24" Text="Hashing Algorithm used"/>
        </TextBlock>
        <TextBlock x:Name="lblAlg" HorizontalAlignment="Left" Margin="446,348,0,0" TextWrapping="Wrap" VerticalAlignment="Top" FontSize="24"/>
    </Grid>
</Page>