Change the x-axis series in excel chart

Hi,
While plotting an Excel chart using ExcelRpt_ChartWizard(), the x - axis series starts from 0, 1, 2, 3... I like to change the series according to the data present in a particular column. Eg. If column 2 contains 2, 5, 7, 6.2... then the x-axis should be in the order 2, 5, 7, 6.2.....
Can anyone help me regarding this issue?

Hi,
Many thanks for this post, It's been quite helpful since there seems no to be so much info available about not so basic generation and manipulation of excels graphs with LabWindows (at least compared to C#).
I am struggling to set my own X-Axis as well but the best I can get is the graph looking like the one of the attached file.
The first row for the X-Axis is 11:47:00 and the last one is 17:46:25, however I get a graph between 0:00:00 and 19:12:00.
May thanks,
Best regards
Attachments:
Graph with LW.png ‏14 KB

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