Entity Framework 5 is sending back the wrong data - vb.net

Question

I have a very serious issue with EF sending back the wrong data. I know its wrong because I can run the same query against the same table in management studio and get a completely different result.
I did research the problem and found that some people were able resolve the issue by adding:
*DbContextSummary.Refresh(RefreshMode.StoreWins, result);*
When I try adding that I get this error:
The element at index 0 in the collection of objects to refresh has a null EntityKey property value or is not attached to this ObjectStateManager.
After I got that error I tried to do: DbContextSummary.Attach(result) and I received another error.
What is the proper solution and why does this happen?
Relevant Code (without the refresh call):
Private _dbContextSummary As BudgetEntities
Public ReadOnly Property DbContextSummary() As BudgetEntities
Get
If _dbContextSummary Is Nothing Then
_dbContextSummary = New BudgetEntities
End If
Return _dbContextSummary
End Get
End Property
<WebMethod()> _
Public Function GetSummaryData(ByVal month As String, ByVal year As String, ByVal expenseLine As String, ByVal organization As String) As List(Of SummaryModel)
Dim result As List(Of SummaryModel) = Nothing
result = (From s In DbContextSummary.FPRs _
Where s.FY = year _
Where s.Month = month _
Where s.FPRLine = expenseLine _
Where s.VP = organization
Group s By s.MgrID, s.ProgAdm, s.FinanceNumber, s.FinanceNumberName Into g = Group _
Order By g.FirstOrDefault.MgrLastName, g.FirstOrDefault.ProgAdm Ascending
Select New SummaryModel With { _
.Actual = g.Sum(Function(a) a.Actual), _
.Plan = g.Sum(Function(p) p.Plan), _
.YTDActual = g.Sum(Function(ya) ya.YTDActual), _
.YTDPlan = g.Sum(Function(yp) yp.YTDPlan), _
.FinanceNumber = g.FirstOrDefault.FinanceNumber, _
.FinanceNumberName = g.FirstOrDefault.FinanceNumberName, _
.MgrLastName = g.FirstOrDefault.MgrLastName + ", " + g.FirstOrDefault.MgrFirstName, _
.PlanYearTotal = g.FirstOrDefault.PlanYearTotal, _
.ProgAdm = g.FirstOrDefault.ProgAdm _
}).ToList()
Return result
End Function

Answer 1

What is the proper solution and why does this happen?
Simply put, there is no proper solution in your scenario. Refresh is not applicable at all after you have performed a projection (select new) into a type (SummaryModel) that isn't an entity. Your result collection does not contain entities but SummaryModels. You neither can apply Refresh nor Attach to this collection or its elements. Both methods are intended to work with model entities: Refresh updates properties of an already attached entity from the data store and Attach adds an entity to the context in state Unchanged.
I suggest that you open a new question and describe why you think that "EF is sending back the wrong data" and try to solve this problem. It's unlikely that re-loading provides correct data when loading delivers a wrong result.