Hi
Cell A3 on my SHEET1 has the following formula =DATE(YEAR(C1),MONTH(C1) + 1,DAY(C1). It goes on like this for the next 12 months (+2, +3, +4....).
Column B on my SHEET2 has One of the five product codes (A, B, C, D, E) and Column D on my SHEET2 has manually entered dates
I created the following condition for each product code under each month in SHEET1
=IF(MONTH(Sheet2!$D$1:$D$39)=MONTH(Sheet1!$A$3),COUNTIF(SHEET2!$B$2:$B$39,"=A"),"")
The formula only works for two product codes (A and B), and then yields blank cells.
Can anyone suggest why?
Thanks
NJ007
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