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Remove footer for nested groups

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GridView
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Dmitriy
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Dmitriy asked on 21 Jul 2016, 06:24 PM

In my RadGridView I group data by two columns: first by column1 and then by column2. When I set ShowGroupFooters="true" I end up with two footers - one for column1 and another for column2. How can I hide footers for the nested groups (over column2) and leave only footers for the groups over column1?

thank you

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Dilyan Traykov
Telerik team
answered on 25 Jul 2016, 12:09 PM
Hello Dmitriy,

The desired behavior can be achieved by the use of RadGridView's GroupFooterRowStyleSelector property. Here is how you can define it:

public class GroupFooterRowStyleSelector : StyleSelector
{
    public override Style SelectStyle(object item, DependencyObject container)
    {
        IGroup group = item as IGroup;
 
        if (group != null)
        {
            if (group.ParentGroup != null)
            {
                return NestedGroupStyle;
            }
            else
            {
                return NormalGroupStyle;
            }
        }
 
        return null;
    }
 
    public Style NestedGroupStyle { get; set; }
    public Style NormalGroupStyle { get; set; }
}
<my:GroupFooterRowStyleSelector x:Key="GroupFooterRowStyleSelector">
    <my:GroupFooterRowStyleSelector.NestedGroupStyle>
        <Style TargetType="telerik:GridViewGroupFooterRow">
            <Setter Property="Visibility" Value="Collapsed"/>
        </Style>
    </my:GroupFooterRowStyleSelector.NestedGroupStyle>
    <my:GroupFooterRowStyleSelector.NormalGroupStyle>
        <Style TargetType="telerik:GridViewGroupFooterRow">
            <Setter Property="Visibility" Value="Visible" />
        </Style>
    </my:GroupFooterRowStyleSelector.NormalGroupStyle>
</my:GroupFooterRowStyleSelector>

<telerik:RadGridView GroupFooterRowStyleSelector="{StaticResource GroupFooterRowStyleSelector}" />

Please let me know if such an approach would work for you.

Regards,
Dilyan Traykov
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Dmitriy
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answered on 25 Jul 2016, 09:13 PM

It works great.

 

Thank you,
Dmitriy

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Dilyan Traykov
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Dmitriy
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