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Syncfusion Feedback

Use POCO[] instead of double[]

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148596 Oct 26,2019 12:30 AM UTC Oct 28,2019 11:16 AM UTC Blazor 1
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Tags: Heatmap Chart
Support
Asked On October 26, 2019 12:30 AM UTC

All the examples bind the heatmap to a double[] (or int[]).

Is it possible to instead bind to a POCO[], tell it a numeric property to use, and then display a templated tooltip.

Kanagambigai Murugan [Syncfusion]
Replied On October 28, 2019 11:16 AM UTC

Hi Patrick, 
  
Thanks for contacting Syncfusion. 
  
We have validated your requirement and prepared a sample accordingly. Here, we have rendered the Heatmap by binding it to the “HeatmapData” and used TooltipRendering Event to display the templated tooltip. 
  
<EjsHeatMap DataSource="@Data"> 
        <HeatMapEvents TooltipRendering="@TooltipRendering"></HeatMapEvents> 
 
  
   </EjsHeatMap> 
@code{ 
  
    class HeatmapData 
    { 
        public string RowId { get; set; } 
        public string ColumnId { get; set; } 
        public string Value { get; set; } 
    } 
    HeatmapData[] Data = new HeatmapData[] { 
               new HeatmapData  { RowId= "France", ColumnId= "2010", Value= "77.6" }, 
               new HeatmapData  { RowId= "France", ColumnId= "2011", Value= "79.4" }, 
                
 
} 
public void TooltipRendering(ITooltipEventArgs args) 
    { 
        args.Content = new string[] { "In " + args.YLabel + ", " + args.Value + "M" + " visited " + args.XLabel}; 
    } 
} 
  
  
  
Please check the above sample and get back to us if you need any further assistance. 
  
Regards, 
Kanagambigai M.   


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