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Chart Class

SharePoint 2010

Provides the implementation of the Chart Web Server Control.

System.Object
  System.Web.UI.Control
    System.Web.UI.WebControls.WebControl
      System.Web.UI.WebControls.BaseDataBoundControl
        System.Web.UI.WebControls.DataBoundControl
          System.Web.UI.DataVisualization.Charting.Chart
            Microsoft.Office.Server.WebControls.Chart

Namespace:  Microsoft.Office.Server.WebControls
Assembly:  Microsoft.Office.Server.Chart (in Microsoft.Office.Server.Chart.dll)
C#
VB
Copy 
public class Chart : Chart

This class is a wrapper around the ASP.NETChart control.

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.
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Some notes on use
This class inherits from System.Web.UI.DataVisualization.Charting.Chart and appears mostly to change the image delivery from ChartImg.axd (which requires adding an httphandler) to ChartPreviewImage.aspx in the _layouts directory. We have noticed that if one uses this class, rendering the control gives a null error unless the web part is placed on a page with a search refinement manager (see http://blogs.msdn.com/b/arnts/archive/2010/03/03/visualize-your-enterprise-search-results-and-add-visual-navigation.aspx?wa=wsignin1.0) $0$0 $0
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