Kendo Calendar DataSource not getting data from controller

   {
   List<TaskViewModel> myTasks = GetItems();
   return View(myTasks);   //these events display on the calendar successfully
   }

 //my.cshtml
    @(Html.Kendo().Scheduler<MyApp.Core.ViewModels.TaskViewModel>()
    .Name("scheduler")
    .Date(new DateTime(2022, 10, 01))
    .StartTime(new DateTime(2022, 10, 01, 7, 00, 00))
    .Height(600)
    .Views(views =>
    {
        views.MonthView(m => {
            m.Selected(true);
            m.EventHeight(150);
        });
    })
    .Timezone("Etc/UTC")
    .DataSource(d => d
        .Model(m =>
        {
            m.Field(f => f.OwnerID).DefaultValue(1);
            m.Field(f => f.Title).DefaultValue("No title");
            m.Field(f => f.Description).DefaultValue("no desc");
            m.RecurrenceId(f => f.RecurrenceID);
        })
        .Read("Read", "MyController")
    )
    .Events(e => {
        e.DataBound("scheduler_dataBound");
    })
)
 <script type="text/javascript">
  function scheduler_dataBound(e) {
        var data = $("#scheduler").data("kendoScheduler").dataSource;
        console.log(data);      //Here -> _total=0 and _data has no objects
    }
  </script>


  //My Controller method
  public virtual JsonResult Read([DataSourceRequest] DataSourceRequest request)
 {
     //This is getting called from calendar datasource read
     return Json(GetItems().ToDataSourceResult(request));   //Here I am mocking up data
  }

  //My Mock data
  public List<TaskViewModel> GetItems()
  {
    List<TaskViewModel> list = new List<TaskViewModel>();
    list.Add(new TaskViewModel
     {
       Title = "Event 1",
       Start = new DateTime(2022, 10, 1),
       End = new DateTime(2022, 10, 1),
       Description = "Description 1",
       IsAllDay = false,
       OwnerID = 1,
       TaskID = 1
      });
       ......More data
      return list;
  }