Hello friends!, Really gave me headaches with this. What I want is to get the following:

 @foreach (var item in @Model.NodeById(1170).Children.Random()) {
  <p>@item.Name</p>
 }

I want to get a single node of a random list, but what throws me is this error:

'umbraco.MacroEngines.DynamicNodeList' does not contain a definition for 'Random'

But I followed this post http://our.umbraco.org/forum/developers/razor/24066- I upgraded umbraco.MacroEngines.dll, but does not work. What I get is this error:

ut I followed this post  I

Help me please!. Thank you!