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Expand GroupDescriptor

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GridView
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NS
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NS asked on 05 Jul 2010, 01:10 PM
Hi,
If set a GroupDescriptor from XAML (or C#), the group descriptor is collapsed. (see screenshot)

 <telerikGridView:RadGridView.GroupDescriptors> 
                    <data:GroupDescriptor Member="oArticleCategory.oArticleType.Description">  
                    </data:GroupDescriptor> 
                </telerikGridView:RadGridView.GroupDescriptors> 

Is it possible to expand the records on the groupdescriptor by default ?

Thanks,
Nicolas

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Pavel Pavlov
Telerik team
answered on 05 Jul 2010, 01:13 PM
Hello NS,

Please set the AutoExpandGroups property of RadGridView to true.

All the best,
Pavel Pavlov
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Voss Grose
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answered on 30 Mar 2011, 09:59 PM
Is it possible to expand/collapse each group via a converter in the xaml (MVVM)?

thanks.
0
Vlad
Telerik team
answered on 31 Mar 2011, 07:45 AM
Hello,

 In Silverlight 4 this cannot be achieved with simple style for the GridViewGroupRow since there are no bindings in the setters - you can simply set true or false:
<Grid.Resources>
            <Style TargetType="telerik:GridViewGroupRow">
                <Setter Property="IsExpanded" Value="True" />
            </Style>
        </Grid.Resources>

In Silverlight 5 this will be possible. 

To achieve your goal with Silverlight 4 you will need to redefine the GridViewGroupRow template with Blend and attach your converter to the IsExpanded binding(s).

Greetings,
Vlad
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Pavel Pavlov
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Voss Grose
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Vlad
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