Casting Anonymous Type LINQ Using TryCast Returns Nothing

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I want my query to return a List (Of Service) then I want to use the new list to further filter.

When I run this query it exectutes correctly Dim duplicateService = svgGrpContainer.GroupBy(Function(x) x.ServiceGroup).Where(Function(x) x.Count > 1).Select(Function(x) x)

I am now attempting to cast it in oder to use it and create another query

    Dim duplicatePAK = duplicateServiceGroups.GroupBy(Function(x) x.Name).Where(Function(x) x.Count > 1).Select(Function(x) x)

When I cast the first query it now returns Nothing

 Dim duplicateServiceGroups As List(Of ServiceGroup) = TryCast(svgGrpContainer.GroupBy(Function(x) x.ServiceGroup).Where(Function(x) x.Count > 1).Select(Function(x) x), List(Of ServiceGroup))

How do I cast the query so I can further filter the data in subsequent queries?

asked 22 secs ago

Nick LaMarca

1,700