Performance problem after using the EnableColumnVirtualization="False"

[Dilip]

<

 

 

telerik:RadGridView Visibility="{Binding ManagesiteFileGridviewVisibility}"

 

 

 

x:Name="ManageSiteOrderGrid"

 

 

 

ItemsSource="{Binding ManageSiteFileOrders, Mode=TwoWay}"

 

 

 

SelectedItem="{Binding SelectedSiteFileOrder, Mode=TwoWay}"

 

 

 

IsSynchronizedWithCurrentItem="True"

 

 

 

Margin="2"

 

 

 

ShowInsertRow="False"

 

 

 

ShowGroupPanel="False"

 

 

 

AutoExpandGroups="False"

 

 

 

IsFilteringAllowed="False"

 

 

 

AutoGenerateColumns="False"

 

 

 

ScrollViewer.HorizontalScrollBarVisibility="Auto"

 

 

 

ScrollViewer.VerticalScrollBarVisibility="Auto"

 

 

 

RowIndicatorVisibility="Visible"

 

 

 

ValidatesOnDataErrors="InViewMode"

 

 

 

DataLoadMode="Asynchronous"

 

 

 

Grid.Row="2"

 

 

 

Grid.Column="1"

 

 

 

IsReadOnly="{Binding IsReadonlyProp}"

 

 

 

CanUserFreezeColumns="False" RowEditEnded="ManageSiteOrderGrid_RowEditEnded"

 

 

 

EnableColumnVirtualization="False"

 

 

 

EnableRowVirtualization="False" >

 

 

 

 

<telerik:RadGridView.Columns>

Can someone please suggest me what i need to do to improve my performance, i have to use the

 

EnableColumnVirtualization="False" inorder to resolve other problem like

if i check the top row checkbox inside the radgrid, at the bottom row also checkbox is checking , it is very urgent.