wpf xml binding parent

[bobosers]

I have a resource\[code\]<XmlDataProvider x:Key="LangData"/>\[/code\]and I can access any data of it like\[code\]Text="{Binding Source={StaticResource LangData}, XPath=root/eng/sometext}\[/code\]but I have a grid element, and I load an another XAML into the grid in this XAML I want to use the same method\[code\]Text="{Binding Source={StaticResource LangData}, XPath=root/eng/sometext}\[/code\]but not working what should I do?