Silverlight MultiBinding - doesn't bind in a Template

Silverlight MultiBinding - doesn't bind in a Template

I am trying to include additional data on RadDataPager by editing the Template.

This code is in DataPager Template:

                <TextBlock x:Name="txtPageIndex" Text="{Binding PageIndex, RelativeSource={RelativeSource TemplatedParent}}" Margin="5,0" VerticalAlignment="Center"/>                 <TextBlock x:Name="txtPageSize" Text="{Binding PageSize, RelativeSource={RelativeSource TemplatedParent}}" Margin="5,0" VerticalAlignment="Center"/>                      <TextBlock x:Name="txtItemCount" Text="{Binding ItemCount, RelativeSource={RelativeSource TemplatedParent}}" Margin="5,0" VerticalAlignment="Center"/> 

I get all three values display on DataPager.

I used http://www.olsonsoft.com/blogs/stefanolson/post/Improvements-to-Silverlight-Multi-binding-support.aspx technique to display the record and do either some formatting or calculation on these fields using converters.

this is what I tried:

<TextBlock Margin="5,0" VerticalAlignment="Center">                     <multibind:BindingUtil.MultiBindings>                         <multibind:MultiBindings>                             <multibind:MultiBinding TargetProperty="Text" Converter="{StaticResource formatConverter2}"                                                    ConverterParameter="Pager1 {0} - {1} of {2}" >                                                          <multibind:BindingCollection>                                            <Binding  Path="PageIndex"  RelativeSource="{RelativeSource TemplatedParent}"/>                                         <Binding   Path="PageSize"  RelativeSource="{RelativeSource TemplatedParent}"/>                                         <Binding   Path="ItemCount"  RelativeSource="{RelativeSource TemplatedParent}"/>                                     </multibind:BindingCollection>                                                              </multibind:MultiBinding>                         </multibind:MultiBindings>                     </multibind:BindingUtil.MultiBindings>                 </TextBlock> 

when I debug I get all three as null. I am not sure what exactly going on when we declare in multibinding.

what's confusing is - I get the values if I use individual textblocks, but if we multibind, I get all values null. Is this way we need to bind? or Stefen's multibind is not figure out with RelativeParent?

Any help is really appreciated.

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