Select item characteristic to pull the correct pricing

The goal is to show an inventory report where our raw materials pull from a cost dataset, but the finished goods pull from the pricing dataset.  I have been trying to say that if the itemclass is anything other than F (for Finished Goods) then use the FGPrice dataset field Price for the value, otherwise use InventorySet dataset field TotCost for the value.  I just can't get it to do that.  HELP! :-)

One dataset is for the cost with this query -
SELECT        ItemNumber, ItemDescription, qtysum, Val, ItemClass4, CostType, TotalRolledCost
FROM            Mcc_InventoryDailyDetail
ORDER BY ItemClass4, ItemNumber

The other dataset is for the pricing with this query -
SELECT DISTINCT MAX(InvoiceDate) AS InvDate, LineItemNumber, MAX(InvoiceLocalUnitPrice) AS Price
FROM         dbo.MCC_vwSalesTotalsWithInvoices
GROUP BY LineItemNumber
HAVING      (LineItemNumber <> 'FREIGHT')
oRDER BY LineItemNumber
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You can't associate a single object with multiple dataset. The mapping is one to one.
ValentinoVBI ConsultantCommented:
I have the impression that something in your logic is missing.  How are you matching the items?  Using the ItemNumber?  So you'd have each ItemNumber in both datasets?

As TempDBA said: you can only bind one dataset to a tablix.  Unless you can somehow get all your data in one query, perhaps the new lookup functions can help you out?  Check out the following article on how to use them:

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tgfo4927Author Commented:
this provided some good insight into the lookup feature
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