Scatter series type is not available in the current official version of the controls (Q3 2009 SP2), it will be officially introduced with the Q1 2010 release
scheduled around mid-March. If you would like to check the preview version of this feature, you need to download the Q1 2010 Beta files from your Client.Net account
(the appropriate updated version of the SeriesExtensions.cs example file is part of this installation as well).
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