How to change a simple graph using VBA coding

Chris Macro

Well-known Member
Joined
Nov 2, 2011
Messages
1,344
Office Version
  1. 365
Platform
  1. Windows
I have never coded for graphs using VBA where when I run the macro it changes to the 20 most recent data values collected. If column "A" is going to house my y-values and column "N" is going to house my x-values, what would be the coding to change the graphs data range?

My Idea: I am thinking to get the 20 most recent values I could use a row variable that would equal

Code:
Cells(Rows.Count, "A").End(xlUp).Row

This would help me find the last data point entered. I just don't know the proper syntax to manipulate a graph
 

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Chris Macro

Well-known Member
Joined
Nov 2, 2011
Messages
1,344
Office Version
  1. 365
Platform
  1. Windows
OK, I believe I have most of it. I just need help getting the "datespulled" variable to be placed in Chart 1 as the x-axis labels. Any ideas?!

<font face=Calibri><SPAN style="color:#00007F">Sub</SPAN> Graph_Q2()<br><SPAN style="color:#00007F">Dim</SPAN> datespulled <SPAN style="color:#00007F">As</SPAN> Range<br><SPAN style="color:#00007F">Dim</SPAN> chartdata <SPAN style="color:#00007F">As</SPAN> Range<br><SPAN style="color:#00007F">Dim</SPAN> x <SPAN style="color:#00007F">As</SPAN> <SPAN style="color:#00007F">Long</SPAN>       <SPAN style="color:#007F00">'row variable</SPAN><br><SPAN style="color:#00007F">Dim</SPAN> y <SPAN style="color:#00007F">As</SPAN> <SPAN style="color:#00007F">Long</SPAN>       <SPAN style="color:#007F00">'column variable</SPAN><br><br><br>Sheets("Historical").Select<br><br>x = Cells(Rows.Count, "A").End(xlUp).Row<br><br>    <SPAN style="color:#00007F">If</SPAN> x < 24 <SPAN style="color:#00007F">Then</SPAN><br>        <SPAN style="color:#00007F">Set</SPAN> chartdata = Range(Range("O3"), Cells(x, "O"))<br>        <SPAN style="color:#00007F">Set</SPAN> datespulled = Range(Range("A3"), Cells(x, "A"))<br>    <SPAN style="color:#00007F">Else</SPAN><br>        <SPAN style="color:#00007F">Set</SPAN> chartdata = Range(Cells(x - 20, "O"), Cells(x, "O"))<br>        <SPAN style="color:#00007F">Set</SPAN> datespulled = Range(Cells(x - 20, "A"), Celss(x, "A"))<br>    <SPAN style="color:#00007F">End</SPAN> <SPAN style="color:#00007F">If</SPAN><br>    <br>Sheets("Dashboard").Select<br>    ActiveSheet.ChartObjects("Chart 1").Chart.SetSourceData Source:=chartdata<br>    <br>    <br><SPAN style="color:#00007F">End</SPAN> <SPAN style="color:#00007F">Sub</SPAN><br></FONT>
 
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