I can't test it on this computer, but try:

RowNum = ActiveSheet.Range("D2").Value
ActiveSheet.ChartObjects("Prob").Activate
ActiveChart.SeriesCollection(1).XValues = "=prob!R1C1:R" & RowNum & "C1"
ActiveChart.SeriesCollection(1).Values = "=prob!R1C2:R" & RowNum & "C2"

- Jon
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Jon Peltier, Microsoft Excel MVP
Peltier Technical Services
Tutorials and Custom Solutions
http://PeltierTech.com/
_______

"nsv" wrote in message
...

I have the following lines of code in a macro:

ActiveSheet.ChartObjects("Prob").Activate
ActiveChart.SeriesCollection(1).XValues = "=prob!R1C1:R45C1"
ActiveChart.SeriesCollection(1).Values = "=prob!R1C2:R45C2"

I want the number of chart data rows (in this example it is 45) to be
variable so that this value is taken from a cell in the sheet, but it
will not accept a variable name here.

Is this possible?


NSV


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