Question

I’m using Telerik RadControls for Silverlight and I need to draw list of strings in a column. I have bound column’s cellStyle to a style and added an instance of my ListCellPresenter control within that style. My control receives its internal data with the dependency property DataList. How can I bind the actual data that needs to be drawn to GridView, so that it will be accessible in ListCellPresenter?

<Grid x:Name="LayoutRoot">
    <telerik:RadGridView x:Name="gvMain" AutoGenerateColumns="True">
        <telerik:RadGridView.Columns>
            <telerik:GridViewDataColumn Width="200" CellStyle="{StaticResource listStyle}" Header="New Column">
            </telerik:GridViewDataColumn>
        </telerik:RadGridView.Columns>
    </telerik:RadGridView>
</Grid>

Here’s the style:

<UserControl.Resources>
    <Style TargetType="grid:GridViewCell" x:Key="listStyle">
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="grid:GridViewCell">
                    <local:ListCellPresenter DataList="{Binding DataList}"></local:ListCellPresenter>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>
</UserControl.Resources>

Answer 1

It should be straightforward — just use DataMemberBinding to point to the property of your row object that contains the list you want to bind to. Ie:

<gridView:GridViewDataColumn 
    CellStyle="{StaticResource listStyle}" Header="New Column"  
    DataMemberBinding="{Binding TheListProperty}" /> 

(Assuming here that the ItemsSource of the RadGridView is something like IEnumerable<MyModel> where MyModel contains your objective List<string> TheListProperty.)