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1
Vote

Using pure IEnumerable data source sends chart into infinite recursion on first refresh


  1. Using the example source code in the Syncfusion demo site here (modified the code to run locally)
  2. Change the data source List<PieData> to IEnumerable<PieData>. Instead of returning a concrete list, either use yield return or collection syntax [ ].
  3. Click on the button "Click". This raises an event and shows a random div.
  4. The App becomes unresponsive. In the task manager, you can see the memory usage continuously increasing.
  5. If you attach the .net core blazor source code to the debugger, you can see that the code enters infinite recursion at the render stage
GitHub Demo is here

or

Sample: 
https://www.syncfusion.com/downloads/support/directtrac/general/ze/IEnumerableYield-1855725155.zip 

  1. Run an attached sample.
  2. Click on the button labeled "Click".

  3. Move the mouse over the chart or navigate to the counter page.

  4. User interactions won't work.