charts in visual studio 2010

I have a large group of Excel workbooks that contain my data, and I have a vb.net application for displaying certain charts from the workbooks.  I also need to extract data from the workbooks and create new charts based on end user choices.

Two questions:
1.) For the "already-existing" charts in the workbooks, I export the charts to png files and then display them in a webbrowser control.  It works fine, but I am wondering if there is a simpler/better approach.
2.) For the new charts based on end user choices, I extract the relevant data and dump it into a datagridview.  I need help figuring out how to create the charts.  I need an individual bar chart for each column.  Sample table is below...
name   x-count   y-count    z-count
fred     5          6           7
wilma    6          8           4
barney  23          2           1

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motokentAsked:
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gamarrojgqConnect With a Mentor Commented:
Hi,

1) The other alternative will be that you creates the Chart again, but I think that if you are already exporting the charts to a png files,  keep it that way unless you think that creates the chart yourself is more easy

2) You can check this free web chart control, It is a WebControl for creating charts, that render as images(png, jpg, gif, etc). Supports: Line Charts Smooth Line Charts Column Charts Area Charts Scattered Charts Pie Charts Stacked Area Charts

http://www.carlosag.net/Tools/WebChart/
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motokentAuthor Commented:
Thank you for the response.
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