# use lookup function or macro

#### M. Frank

##### New Member
Hello,
I need help for this Excel question, since I have tried many things and formulas, but I could not solve the problem.

Can you help me to composed the necessary correct function?
I send you here the workbook excel file where I have explained step by step the functionality.

I hope that you can resend me a appropriate solution.
Many thanks.

Frank

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#### bosco_yip

##### Excel Ninja
Maybe.............

1] In D6, copied down to D8 :

=INDEX(\$K\$6:\$M\$11,MATCH(C6,\$H\$6:\$H\$11,0)+1,MATCH(LOOKUP(9^9,\$D\$1:\$D5),INDEX(\$K\$6:\$M\$11,MATCH(C6,\$H\$6:\$H\$11,0),0),1))

Then,

2] Select D6:D8 >> copy/paste to D15:D17 and D24:D26

Regards
Bosco

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#### M. Frank

##### New Member
Msr. Bosco

Many, many, many thanks by me!!!!!

The complex function operates very, very well !

I have only modified the function with the conditional method below, this to prevent #N/A or erroneous data when the cell “ex. D4” is empty:

=IF(D\$4<>"";INDEX(\$K\$6:\$M\$11;MATCH(C6;\$H\$6:\$H\$11;0)+1;MATCH(LOOKUP(9^9;\$D\$1:\$D5);INDEX(\$K\$6:\$M\$11;MATCH(C6;\$H\$6:\$H\$11;0);0);1));"")

Now I will ask you just last question, if it’s possible.

I want to copy an empty section/array “ex. C3:D8” and then past it more time progressively in column of sheet-1.

How to modify the function in order that it work accurately with own new cell “Product production date” in automatic?

Frank

#### bosco_yip

##### Excel Ninja
Msr. Bosco

Many, many, many thanks by me!!!!!

The complex function operates very, very well !

I have only modified the function with the conditional method below, this to prevent #N/A or erroneous data when the cell “ex. D4” is empty:

=IF(D\$4<>"";INDEX(\$K\$6:\$M\$11;MATCH(C6;\$H\$6:\$H\$11;0)+1;MATCH(LOOKUP(9^9;\$D\$1:\$D5);INDEX(\$K\$6:\$M\$11;MATCH(C6;\$H\$6:\$H\$11;0);0);1));"")

Now I will ask you just last question, if it’s possible.

I want to copy an empty section/array “ex. C3:D8” and then past it more time progressively in column of sheet-1.

How to modify the function in order that it work accurately with own new cell “Product production date” in automatic?

Frank
To control the "Product production date" when in empty,

try this revised formula in D6 and copied down to D8 :

=IF(LOOKUP(2,1/(\$D\$2:\$D5<>""),\$D\$1:\$D4)="","",INDEX(\$K\$6:\$M\$11,MATCH(\$C6,\$H\$6:\$H\$11,0)+1,MATCH(LOOKUP(9^9,\$D\$1:\$D5),INDEX(\$K\$6:\$M\$11,MATCH(\$C6,\$H\$6:\$H\$11,0),0),1)))

Regards
Bosco

#### M. Frank

##### New Member
Goodmorning Mrs. Bosco.

I don't why.
To simulate an example: if I change the text in merged cell "H10:H11" of Sheet-2 (ex. from "C" to "Cc") the cells (ex. D7 and D8) of Sheet-1 return #N/A.

Can you explain me?

Thank you.

Frank

#### M. Frank

##### New Member
..... moreover,

Can you explain me wath is 9^9 in the formula?

Many thanks...

Frank