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I am very new to wpf MVVM.
In my application i have to read a set of data from excel sheet and need to plot the graphs.

Now, initially i need to plot the data read from two columns and later after a few seconds delay,the dislpayed plot should be removed and i need to change the data source i.e, i have to plot the data of the next two columns and after some time delay i have to change the data source again and so on...

The plots has to be displayed on the same chart area and with a time delay set by user. The plot displayed first should be removed and the second plot should appear in that.

Can any one give me a sample piece of code for how to save the data read from excel and change the datasource of the chart area dynamically and give it as the source for plotting?

Note: I have installed wpf toolkit also for this (i got this info on browsing different sites)

Thank you very much in Advance.
Updated 2-Dec-14 17:16pm

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