Excel - I need the ROW formula to go to the next row, while i drag across.

[DV1987]

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[TD="class: postcell"] I have the below formula, which i would like to drag horizontally but have the ROW(1:1) which needs to change vertically e.g ROW(2:2)
=IF(ISERROR(INDEX($B$1:$C$800,SMALL(IF($C$1:$C$800=S$2,ROW($C$1:$C$800)),ROW(1:1)),1)),"",INDEX($B$1:$C$800,SMALL(IF($C$1:$C$800=S$2,ROW($C$1:$C$800)),ROW(1:1)),1))
Your help is greatly appreciated.


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[TD="class: votecell"]

down votefavorite
​

[/TD]
[TD="class: postcell"] I have the below formula, which i would like to drag horizontally but have the ROW(1:1) which needs to change vertically e.g ROW(2:2)
=IF(ISERROR(INDEX($B$1:$C$800,SMALL(IF($C$1:$C$800=S$2,ROW($C$1:$C$800)),ROW(1:1)),1)),"",INDEX($B$1:$C$800,SMALL(IF($C$1:$C$800=S$2,ROW($C$1:$C$800)),ROW(1:1)),1))
Your help is greatly appreciated.


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[DV1987]

Sorry if the above is unclear. Please see below again.

I have the below formula, which i would like to drag horizontally but have the ROW(1:1) which needs to change vertically e.g ROW(2:2)
=IF(ISERROR(INDEX($B$1:$C$800,SMALL(IF($C$1:$C$800=S$2,ROW($C$1:$C$800)),ROW(1:1)),1)),"",INDEX($B$1:$C$800,SMALL(IF($C$1:$C$800=S$2,ROW($C$1:$C$800)),ROW(1:1)),1))
Your help is greatly appreciated.

 

[Aladin Akyurek]

Either...

In X1 control+shift+enter, not just enter, and copy down:

=IFERROR(INDEX($B$1:$B$800,SMALL(IF($C$1:$C$800=S$2,ROW($C$1:$C$800)-ROW($C$1)+1),ROWS($X$1:X1))),"")

Or...

=IFERROR(INDEX($B$1:$B$800,SMALL(IF($C$1:$C$800=S$2,ROW($C$1:$C$800)-ROW($C$1)+1),ROWS($1:1))),"")

P.S. The site from where you probably copied the formula is totally wrong in propogating this._{^{<strike>
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