I'm having the same type of questions, however my XML feed is formatted "unconventionally".
I'm using HockeyTech as a stat supplier. My XML feed looks like this:

And when you select the item, it looks like this:

I want to be able to select the Statviewtype based on what the jersey number is, but the value isn't contained in a "row". It's almost as if this format is missing a child in the XML format.
Is there a way to insert a variable number inside Datalinq? Like this:
Statviewtype<variableNumberHere>\<jersey_number=38>
#XPression