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Grid View Select Column items un-selected on scroll down

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GridView

This is a migrated thread and some comments may be shown as answers.

Karthik asked on 03 Jul 2013, 08:57 PM

Selectallgriditems.png

scrolldown.png

scrollup.png

Hello

I am using silverlight Rad grid view and GridViewSelectColumn to display the check box to select all and unselect all items in the grid...

I am facing an issues when I select all items in the grid and scroll down,

when i select the check box it is displaying items as selected, but when i scroll down the items are unselected randomly and selected randomly, when i scroll top the items, the item are unselected randomly,

please check the images attached... please can anyone help me out with this issue... thank you very much...

<telerik:RadGridView x:Name="grdProductSummary"

Grid.Row="1" Width="Auto"

Grid.Column="0"

VerticalContentAlignment="Stretch"

HorizontalAlignment="Stretch"

ItemsSource="{Binding ItemList, Mode=TwoWay, Source={StaticResource ProductSummaryViewModel}}"

AutoExpandGroups="False"

ShowGroupPanel="True"

ScrollMode="RealTime"

CanUserSelect="True" Loaded="grdProductSummary_Loaded"

SelectionMode="Multiple"

SelectionChanged="grdProductSummary_SelectionChanged"

IsFilteringAllowed="False"

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

RowLoaded="grdProductSummary_RowLoaded"

MinColumnWidth="8" AutoGenerateColumns="False"

ScrollViewer.VerticalScrollBarVisibility="Auto"

>

<telerik:RadContextMenu.ContextMenu>

<telerik:RadContextMenu x:Name="ProductGridContextMenu" IconColumnWidth="0"

ItemContainerStyle="{StaticResource MainPageRadMenuStyle}"

telerik:StyleManager.Theme="Summer">

<telerik:RadContextMenu.Items>

<telerik:RadMenuItem Header="Copy" />

</telerik:RadContextMenu.Items>

</telerik:RadContextMenu>

</telerik:RadContextMenu.ContextMenu>

<telerik:RadGridView.Columns>

<telerik:GridViewSelectColumn/>

<telerik:GridViewDataColumn Header="{Binding ApplicationStrings.ProductIDHeader, Source={StaticResource ResourceWrapper}}" DataMemberBinding="{Binding InventoryId}" Width="Auto" IsGroupable="False"

HeaderTextAlignment="Center" IsReadOnly="True" TextAlignment="Left"/>

<telerik:GridViewDataColumn Header="{Binding ApplicationStrings.ClientProductIDHeader, Source={StaticResource ResourceWrapper}}" DataMemberBinding="{Binding CustomerItemNum}" Width="Auto" IsGroupable="False"