Windos phone 8: How to filter listbox

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I have a ListBox which have about 100000 items. Now I want to to filter this ListBox based on what user types in TextBox. I want to search real time, so I handle TextBox_OnTextChanged event.
My first solution was to set ListBox's ItemsSource whenever text changed. This is really slow.
I using CollectionViewSource,ObservableCollection,,INotifyPropertyChanged but this doesnot make it faster.
Thanks All

Posted 15-Mar-15 1:30am

phi nguyễn hữu

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Maciej Los 15-Mar-15 7:57am

Post your code. We can't read in your mind...

Style-7 17-Mar-15 8:54am

I think you must create data base and read data by query to listbox (delete all items before).

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