How to bind multi series in the Stacked Bar Chart

2 posts, 0 answers
  1. Justin
    Justin avatar
    5 posts
    Member since:
    Sep 2010

    Posted 01 Oct 2010 Link to this post

    Hi,

    I need display 5 series in the Stacked Bar Chart.

    I used the following code to generate the ItemDataSource. But I got some runtime errors. Anyone can help me on that?
    private List<IEnumerable<RFIAgingChartModel>> GetChartItemSource()
    {
              List<IEnumerable<RFIAgingChartModel>> lstChartData = new List<IEnumerable<RFIAgingChartModel>>();
              // series 1 --  < 14 days
              IEnumerable<RFIAgingChartModel> lstSeries1 = context.RFIAgingChartModels; 
              context.Load(context.GetHeadContractSeriesDataQuery(596, "Head_LT14d"));
              // series 2 --  > 14 < 28 days
              IEnumerable<RFIAgingChartModel> lstSeries2 = context.RFIAgingChartModels;
              context.Load(context.GetHeadContractSeriesDataQuery(596, "Head_14-28d"));
              // series 3 -- > 1 month 
              IEnumerable<RFIAgingChartModel> lstSeries3 = context.RFIAgingChartModels;
              context.Load(context.GetHeadContractSeriesDataQuery(596, "Head_1-2m"));
              // series 4 -- > 2 months
              IEnumerable<RFIAgingChartModel> lstSeries4 = context.RFIAgingChartModels;
              context.Load(context.GetHeadContractSeriesDataQuery(596, "Head_2-3m"));
              // series 5 -- > 3 months
              IEnumerable<RFIAgingChartModel> lstSeries5 = context.RFIAgingChartModels;
              context.Load(context.GetHeadContractSeriesDataQuery(596, "Head_GT3m"));
              lstChartData.Add(lstSeries1);
              lstChartData.Add(lstSeries2);
              lstChartData.Add(lstSeries3);
              lstChartData.Add(lstSeries4);
              lstChartData.Add(lstSeries5);
              return lstChartData;
    }
    private void RenderChart()
    {
              SeriesMapping sm1 = new SeriesMapping();
              StackedBarSeriesDefinition d1 = new StackedBarSeriesDefinition();
              d1.StackGroupName = "Stack1";
              sm1.SeriesDefinition = d1;
              sm1.LegendLabel = "Stacked Bar 1";
              sm1.CollectionIndex = 0;
              sm1.ItemMappings.Add(new ItemMapping("Week", DataPointMember.XValue));
              sm1.ItemMappings.Add(new ItemMapping("Volume", DataPointMember.YValue));
              SeriesMapping sm2 = new SeriesMapping();
              StackedBarSeriesDefinition d2 = new StackedBarSeriesDefinition();
              d1.StackGroupName = "Stack1";
              sm2.SeriesDefinition = d2;
              sm2.LegendLabel = "Stacked Bar 2";
              sm1.CollectionIndex = 1;
              sm2.ItemMappings.Add(new ItemMapping("Week", DataPointMember.XValue));
              sm2.ItemMappings.Add(new ItemMapping("Volume", DataPointMember.YValue));
              SeriesMapping sm3 = new SeriesMapping();
              StackedBarSeriesDefinition d3 = new StackedBarSeriesDefinition();
              // d1.StackGroupName = "Stack1";
              sm3.SeriesDefinition = d3;
              sm3.LegendLabel = "Stacked Bar 3";
              // sm1.CollectionIndex = 0;
              sm3.ItemMappings.Add(new ItemMapping("Week", DataPointMember.XValue));
              sm3.ItemMappings.Add(new ItemMapping("Volume", DataPointMember.YValue));
              SeriesMapping sm4 = new SeriesMapping();
              StackedBarSeriesDefinition d4 = new StackedBarSeriesDefinition();
              // d1.StackGroupName = "Stack1";
              sm4.SeriesDefinition = d4;
              sm4.LegendLabel = "Stacked Bar 5";
              // sm1.CollectionIndex = 0;
              sm4.ItemMappings.Add(new ItemMapping("Week", DataPointMember.XValue));
              sm4.ItemMappings.Add(new ItemMapping("Volume", DataPointMember.YValue));
              SeriesMapping sm5 = new SeriesMapping();
              StackedBarSeriesDefinition d5 = new StackedBarSeriesDefinition();
              // d1.StackGroupName = "Stack1";
              sm5.SeriesDefinition = d5;
              sm5.LegendLabel = "Stacked Bar 5";
              // sm1.CollectionIndex = 0;
              sm5.ItemMappings.Add(new ItemMapping("Week", DataPointMember.XValue));
              sm5.ItemMappings.Add(new ItemMapping("Volume", DataPointMember.YValue));
              RadChart1.SeriesMappings.Add(sm1);
              RadChart1.SeriesMappings.Add(sm2);
              RadChart1.SeriesMappings.Add(sm3);
              RadChart1.SeriesMappings.Add(sm4);
              RadChart1.SeriesMappings.Add(sm5);
              RadChart1.ItemsSource = GetChartItemSource();
                
    }
  2. Yavor
    Admin
    Yavor avatar
    11 posts

    Posted 06 Oct 2010 Link to this post

    Hello Justin,

    Based on the supplied information, it is hard to determine what is causing the exceptions which you mentioned. I suspect there is an issue with the databinding of the control. In order to properly trace the issue, you can open a formal support ticket, and send us a small working project, demonstrating your setup, and showing the unwanted behavior/exception. We will debug it locally, and get back to you with more information on the matter.

    Regards,
    Yavor
    the Telerik team
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