How to disable Silverlight Button Control ?

XAML CODE OF BUTTON (ENABLED) IN SILVERLIGHT : -

<Button Content="A2z" Height="23" HorizontalAlignment="Left" Margin="170,146,0,0" Name="MY_BUTTON" VerticalAlignment="Top" Width="75" />

XAML CODE OF BUTTON (DISABLED) IN SILVERLIGHT : -

<Button Content="A2z" IsEnabled="False" Height="23" HorizontalAlignment="Left" Margin="170,146,0,0" Name="MY_BUTTON" VerticalAlignment="Top" Width="75" />

BackEnd (XAML.cs) Code to Disable and Enable Silverlight Button at Runtime dynamically :-

 MY_BUTTON.IsEnabled = false; // button gets Disabled

 MY_BUTTON.IsEnabled = true; // button gets Enabled