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  1. Ashim
    Ashim avatar
    17 posts
    Member since:
    Nov 2010

    Posted 11 Aug 2011 Link to this post

    My Data Format Look like This : DDate,Year,Value
    in LinqDataSource_Selecting base of RadioButton i get a year , 2years or 3 Years Data
    and then if selection is 2 or 3 years data then i set DataGroupColumn = "Year"

    if for fist time i select 3 years then move to 2 years or this year every thing is fine

    if for fist time i select 2 years then move to this year is Ok, But if go to 3 years chart will show just 2 group in chart and legend !!

    if for fist time i select this year , and then i go to 2 or 3 years still will show me 1 group in chart and legend

    i can see i chart data items every thing works as the it should be but just it is not showing new groups !!

    is there anyway i can force chart to Re-group it's self
  2. Missing user
    Missing user avatar

    Posted 17 Aug 2011 Link to this post

    Hi Ashim,

    Based on the supplied information, it is hard to determine what is causing this unwanted behavior. However, you can try to clear the RadChart.Series and rebind the chart after you change the DataSource. In cases, where you don't need grouping, you can clear the data grouping related properties, because the chart will not do this automatically. For example:
    radChart.DataGroupColumn = "";
    radChart.PlotArea.XAxis.DataLabelsColumn = "DDate";
    radChart.DataSource = newData;

    If the issue persists, could you please elaborate a bit more on the way you setup the RadChart control and implement this functionality? We also appreciate if you open a formal support ticket, and send us a sample runnable project with dummy data, that demonstrates the unwanted behavior. We will review it locally, and advise you further.

    Kind regards,
    the Telerik team

    Browse the vast support resources we have to jump start your development with RadControls for ASP.NET AJAX. See how to integrate our AJAX controls seamlessly in SharePoint 2007/2010 visiting our common SharePoint portal.

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  4. Ashim
    Ashim avatar
    17 posts
    Member since:
    Nov 2010

    Posted 24 Aug 2011 Link to this post

    fix the problem
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