Performance is bad when update many element in a times

Hi All,

I'm beginner Xamarin Forms. I make a screen with gird layout with 8x8. After I added 64 button to grid. I used INotifyPropertyChanged to update Text for every button.

When I set click listener for every button to when we click, it will be change all Text of button. Buy my issue is when I click, it's very very slowly. It has taken 2 3 second to finish. So can you suggest some idea to improve my issue. Or is that Xamarin Form' issue or my code ?

Thank for your help.