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# vba get rows number in each group in excel

I need help in VBA code. Here is my excel, the first column is order ID, the second column Item is kind of group on ID column, how can I get number of each group ( same as maximum number in Item column) and write to the calculate column ( only the first row of each group) ? Thanks,

ID Item calculate

1 1 1

2 1 2

2 2

5 1 4

5 2

5 3

5 4

ID Item calculate

1 1 1

2 1 2

2 2

5 1 4

5 2

5 3

5 4

ASKER

Thanks, this works very well. I have another question:

Here is my excel, the first column is order ID, the second column Qty is kind of group on ID column, how can I get sum of each group and write to the calculate column ( only the first row of each group) ? Thanks,

ID Qty calculate

1 1 1

2 3 5

2 2

5 1 6

5 3

5 1

5 1

Here is my excel, the first column is order ID, the second column Qty is kind of group on ID column, how can I get sum of each group and write to the calculate column ( only the first row of each group) ? Thanks,

ID Qty calculate

1 1 1

2 3 5

2 2

5 1 6

5 3

5 1

5 1

ASKER CERTIFIED SOLUTION

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Try this formula for second question:

=IF(MATCH(A2,A:A,0)=ROW(),SUMIF(A:A,A2,B:B),"")

=IF(MATCH(A2,A:A,0)=ROW(),

If you actually did want VBA instead of teylyn's excellent suggestion which I would also recommend, here is an update of the file with sample code

```
Sub CountID()
For Each c In Range("A2:A" & ActiveCell.SpecialCells(xlCellTypeLastCell).Row)
i = i + 1
j = j + 1
If c.Value <> c.Offset(1, 0).Value Then
Range("A2").Offset(j - i, 2).Value = i
i = 0
End If
Next c
End Sub
```

BlockRows.xlsm
This can be done without VBA, just with a formula. In the Calculate column try

=IF(A2<>A1,COUNTIF(A:A,A2)

starting in row 2 and copy down.

This assumes that the data is sorted by the ID column and that there are no blank rows in the data. See attached sample file.

cheers, teylyn

BlockRows.xlsx