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Series at Runtime

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146706 Aug 14,2019 08:36 PM UTC Aug 19,2019 01:12 PM UTC Xamarin.Forms 3
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Tags: SfChart
Ramon Farizel
Asked On August 14, 2019 08:36 PM UTC

Hello,
I'm trying build a Sfchart with Series generated at Runtime, could give me some sample?
Thanks.

Saravanan Madheswaran [Syncfusion]
Replied On August 15, 2019 09:50 AM UTC

Hi Ramon, 
 
We have prepared sample to achieve your requirement that will be downloaded from below link. 
 
 
In that sample we have updated the series dynamically on button click and we modified the series data collection at every half second.  
 
Please refer the below link, if you try to update existing data point in the series.  
 
 
We hope the above information will help you. 
 
Regards, 
Saravanan.  
 


Ramon Farizel
Replied On August 16, 2019 04:20 PM UTC

Hello Saravanan,

Thanks for attention, but this solution doesn't resolved my issue completly.

If i just follow this sample, my chart will be always with 2 Series. In my case I would like to generate at Runtime the quantity of series in my SFChart too. 



Rachel A [Syncfusion]
Replied On August 19, 2019 01:12 PM UTC

Hi Ramon, 
  
You can achieve this requirement by adding series to ChartSeriesCollection and bind it to series property of chart. Please refer the below code. 
  
[XAML]: 
<Button Text="Add Series Collection" Clicked="Button_Clicked" /> 
  
<chart:SfChart x:Name="chart" Series="{Binding ChartseriesCollection}" /> 
 
  
[C#]: 
private void Button_Clicked(object sender, EventArgs e) 
{ 
    for(int i = 0; i < 5; i++) 
    { 
        GenerateSeries(); 
    } 
} 
  
private void GenerateSeries() 
{ 
   var random = new Random(); 
   var data = new ObservableCollection<ChartDataModel>(); 
  
   for (int i = 1; i < 5; i++) 
   { 
      data.Add(new ChartDataModel(i, random.Next(0, 80))); 
   } 
  
   viewModel.ChartseriesCollection.Add(SetupSeries(new LineSeries(), data)); 
} 
  
private XyDataSeries SetupSeries(XyDataSeries series, IEnumerable itemSource) 
{ 
   series.ItemsSource = itemSource; 
   series.XBindingPath = "XValue"; 
   series.YBindingPath = "YValue"; 
  
   return series; 
} 
 
  
We have prepared sample for your reference, and it can be downloaded from the below link: 
  
Please refer the KB for more details  
  
Regards, 
Rachel. 


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