Using variables in VBA formula functions

[eric_deltour]

Dear all,

As a beginner in VBA, I'm pleased to write my first post.
Here is my problem:
I want to use excell functions in VBA to retrieve data from a closed workbook.
My formula uses SumProduct function (because I understood that SumIf works only with an open workbook) and I want to create a loop to fulfill directly all the cells (from 0 to 16 of the column A) with the result of this same formula.
But when I use the variable "i" (indicating the row) into the SumProduct function using the quote (A"&i&"), I have a compile error "Syntax error".
Sorry it's probably basic, but as a beginner, I already spent hours on it without finding any solution...

This formula works without any problem when used in a cell of Excell, so I used perhaps the formula in the wrong way.

Please find my code below:

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I hope I am clear enough for your understanding.

Thanks a lot in advance for your support.

Regards,

Eric

[patel45]

a very little mistake, missing spaces

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[alansidman]

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[eric_deltour]

Thank you very much Patel45 for your great reactivity, it works perfectly!

@alansidman : Understood, I will next time.