Here is the Problem, I want to Animate the DataTemplate of an ItemsControl with a Storyboard. The DataTemplate is A button. The Animation is just fading in when it is loaded. Now, What happens is if I have more than say 10 buttons in the ItemsSource, the animation does not work/Or is really slow. If it is only one button then it works perfectly and is fast. The More buttons get added, the more laggard the storyboards are. So by the time 20 buttons are on the screen, the Storyboards don't work. So what can be a workaround. I am guessing that the problem is since button has it's own storyboard and there is no DynamicResource in silverlight so that might be causing the slowness?