Translating a Cell SumProduct to a Userform SumProduct

I am trying to take a SumProduct on a cell that works correctly, and translate it to a user form with a 3 textboxs(instead of the three cells).  No matter what i try i get a "Unable to get the SumProduct property of the WorksheetFunction class".  When i type in the code, the intellisense pops up and i actually pick it from there.  I cannot figure out what step i am missing.  I have tried other functions as well (Vlookup, SumIf) and get the same error.  I've used Application.WorkSheetFunction and WorkSheetFunction with the same result.
Code below works in a cell on the sheet (i never could get the syntax right to make it work with a named range)  


=SUMPRODUCT(SUMIF('Prize List'!$A$6:$E$69|Z13:AB13|'Prize List'!$B$6:$B$69))

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DonnaOsburnAsked:
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Saurabh Singh TeotiaCommented:
Use this way...
Saurabh...

Application.Evaluate ("SUMPRODUCT(SUMIF('Prize List'!$A$6:$E$69|Z13:AB13|'Prize List'!$B$6:$B$69))")

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DonnaOsburnAuthor Commented:
Cells Z13, AA13, and AB13 are now textboxes on a user form called txtPrize1, txtPrize2, txtPrize3.
How can i use the SumProduct with the value of three textboxes instead of the cells.
Just putting that line in a get a type mismatch.
Is the result supposed to be dim as string, integer, long???
 
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Saurabh Singh TeotiaCommented:
Can you upload your sample file as im not sure about what you are looking for...
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DonnaOsburnAuthor Commented:

There is a sheet called 'Prize List'
Prize List is a spread sheet containing all of the prizes that can be selected.
Range A6:E69
Column A is lookup number
Column B is money amount to return
Column C-E are not used at this point.
Three text boxes on a user form
txtprize1, txtprize2, and txtprize3
i simply want to know how to take the value that the user enters in the txtprize1 text box (which is in Column A) then lookup the corresponding money in the B column then add that to the answer in the other two text boxes to allow me to show total money on the userform.

A     B    C    D   E
1    $50
2   $50
3  $100
4  $150
etc.
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Saurabh Singh TeotiaCommented:
and these textbox are part of userform..??
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DonnaOsburnAuthor Commented:
yes
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Saurabh Singh TeotiaCommented:
Well to get a textbox value in the userform, You can simply do this assuming the textbox name is textbox1 then this will give you the value for textbox1 which is this..
textbox1.value
and the above statement will become...
 

Dim i As Long
i = Application.Evaluate("SUMPRODUCT(SUMIF('Prize List'!$A$6:$E$69," & textbox1.Value & ",'Prize List'!$B$6:$B$69))")

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DonnaOsburnAuthor Commented:
I would like to have been able to use the named range but this worked. Thank you.
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