Hi

I'm trying to do something as basic as possible to get my feet wet with the linq to umbraco api, but i am having problems and have not been able to find any documentation on use case scenarios besides the aaron powell screencasts.

I have installed a new 4.5 umbraco, added a doctype with a single textstring property and created a single node in the tree with two children (of same doctype).

It is my expectation that i am able to grab the first node and use the children property to access its ... children. I am confirming my ability to grab the root node of my tree by response.writing its title.

As i attempt to now access its .Children collection, i get the following exception

[KeyNotFoundException: The given key was not present in the dictionary.]
   System.Collections.Generic.Dictionary`2.get_Item(TKey key) +12681071
   umbraco.Linq.Core.Node.<DynamicNodeCreation>d__6.MoveNext() +594
   System.Linq.Enumerable.Count(IEnumerable`1 source) +267
   masterpages_Root.Page_Load(Object sender, EventArgs e) +228
   System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +25
   System.Web.UI.Control.LoadRecursive() +71
   System.Web.UI.Control.LoadRecursive() +190
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +3048

Accessing the children property of any one of these entities throws the above exception.

Am i wrong in expecting to be using these entities/doctypebases as nodes? I was hoping to be able to have a smoother api for querying my tree (other than the usual extension-methods ive been using for a while).

Should i regard linq to umbraco only for scenarios of content querying where tree heirarchy is not part of the picture?