WPF to Silverlight ItemContainerStyle problem

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Hi. I am struggling with something in silverlight while trying to port some code from WPF. I have an ObservableCollection in my ViewModel called Fields, which is bound to the ItemsSource of an ItemsControl. The ItemsPanelTemplate is set to a grid with bindings through a helper class. The problem is with the ItemContainerStyle, it does not work in Silverlight (5).

XML

<ItemsControl ItemsSource="{Binding Path=Fields}">
                        <ItemsControl.ItemsPanel>
                            <ItemsPanelTemplate>
                                <Grid local:GridHelper.RowCount="{Binding Path=RowCount}" local:GridHelper.ColumnCount="{Binding Path=ColumnCount}"/>
                            </ItemsPanelTemplate>
                        </ItemsControl.ItemsPanel>
                        <ItemsControl.ItemContainerStyle>
                            <Style TargetType="{x:Type FrameworkElement}">
                                <Setter Property="Grid.Row" Value="{Binding Row}"/>
                                <Setter Property="Grid.Column" Value="{Binding Column}"/>
                            </Style>
                        </ItemsControl.ItemContainerStyle>
                    </ItemsControl>

I am new to Silverlight, hope it is not a dumb question :) Thanks in advance!

Posted 9-Apr-13 6:52am

Andre Pieterse

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Irina Pykhova · Accepted Answer · 2013-04-09T07:09:00

1. Silverlight has different syntax for Style.TargetType property, use

HTML

<style targettype="FrameworkElement"></style>

(Style.TargetType Property).

2. Binding in the property setters has been added in Silverlight 5. So if you use SL4, it won't work.

3. There is no ItemContainerStyle property on the ItemsControl. It exists on derived controls such as ListBox. If you don't need some ListBox-specific behavior, such as selection, use simplified ListBoxItem control template, for example:

HTML

<Style TargetType="ListBoxItem">
     <Setter Property="Grid.Row" Value="{Binding Row}"/>
     <Setter Property="Grid.Column" Value="{Binding Column}"/>
     <Setter Property="HorizontalAlignment" Value="Stretch"/>
     <Setter Property="VerticalAlignment" Value="Stretch"/>     
     <Setter Property="HorizontalContentAlignment" Value="Stretch"/>                    
     <Setter Property="VerticalContentAlignment" Value="Stretch"/>                    
     <Setter Property="Template">
         <Setter.Value>
             <ControlTemplate TargetType="ListBoxItem">
                 <Grid Background="{TemplateBinding Background}">
                     <ContentPresenter x:Name="contentPresenter"
                           Content="{TemplateBinding Content}"
                           ContentTemplate="{TemplateBinding ContentTemplate}"
                           HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
                           Margin="{TemplateBinding Padding}"/>
                 </Grid>
             </ControlTemplate>
         </Setter.Value>
     </Setter>
</Style>