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Performance issue

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GridView
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ofer alper
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ofer alper asked on 02 Mar 2010, 03:06 PM
Hi,

I have a simple application that show grid to the user and according to the user selection i refresh the grid.

when i refresh the grid i do the following:
1) create a new list with the new items
2) grid.ItemsSource = newlist;

if the new list has more than 1000 objects the refresh takes several seconds.

How can i improve the refresh time of the grid ?

I also tried to work with ObservableCollection and update it instead of binding a new list, but it still took several seconds.

Thanks you,
Ofer

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Vlad
Telerik team
answered on 02 Mar 2010, 03:12 PM
Hello Ofer,

Please make sure that the grid is not measured with infinity height - inside StackPanel or ScrollViewer. In this case there will be no rows virtualization.

Best wishes,
Vlad
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ofer alper
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Vlad
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