<GridCommandButton Command="Save" Icon="save" ShowInEdit="true" Title="Some text here">Some text here</GridCommandButton>

@page "/"
@using System.Diagnostics
@using System.Threading
@using BlazorApp1.Components

<h1>Hello, world!</h1>

<EditForm class="form-inline" Model="@Model">
    <MyComponent />
</EditForm>

Welcome to your new app.

@code {
    object Model = new();
    private Guid InstanceId;

    public Index()
    {
        InstanceId = Guid.NewGuid();
        Debug.WriteLine($"Index - {InstanceId}");
    }

    protected override Task OnInitializedAsync()
    {
        Debug.WriteLine("Index - OnInitializedAsync");
        return base.OnInitializedAsync();
    }

    protected override Task OnParametersSetAsync()
    {
        Debug.WriteLine("Index - OnParametersSetAsync");
        return base.OnParametersSetAsync();
    }
}

@using System.Diagnostics
<h3>My Component</h3>
<br />
<TelerikDropDownList @bind-Value=_selectedValue Data="@myComboData" TextField="MyTextField" ValueField="MyValueField" TValue="int" TItem="MyDdlModel"></TelerikDropDownList>
<br />
<TelerikButton OnClick="@SayHelloHandler" Primary="true">Say Hello</TelerikButton><br />
@helloString
<br />

@code {
    private Guid InstanceId;
    MarkupString helloString;

    int _selectedValue { get; set; } = 2; // Preselected value
    IEnumerable<MyDdlModel> myComboData { get; set; } = Enumerable.Empty<MyDdlModel>();

    void SayHelloHandler()
    {
        string msg = string.Format("Hello from <strong>Telerik Blazor</strong> at {0}.<br /> Now you can use C# to write front-end!", DateTime.Now);
        helloString = new MarkupString(msg);
    }

    public MyComponent()
    {
        InstanceId = Guid.NewGuid();
        Debug.WriteLine($"MyComponent - {InstanceId}");
    }

    protected override async Task OnInitializedAsync()
    {
        Debug.WriteLine("MyComponent - OnInitializedAsync");
        myComboData = await LoadData();
        await base.OnInitializedAsync();
    }

    protected override Task OnParametersSetAsync()
    {
        Debug.WriteLine("MyComponent - OnParametersSetAsync");
        return base.OnParametersSetAsync();
    }

    private async Task<IEnumerable<MyDdlModel>> LoadData()
    {
        await Task.Delay(100);
        return Enumerable.Range(1, 20).Select(x => new MyDdlModel { MyTextField = "item " + x, MyValueField = x });
    }

    public class MyDdlModel
    {
        public int MyValueField { get; set; }
        public string MyTextField { get; set; }
    }
}
 

fail: Microsoft.AspNetCore.Components.Server.Circuits.CircuitHost[111]
      Unhandled exception in circuit 'rgMbdR3P6wPjc3dXUkPhUM8--gY_vmf332nudYDyl90'.
      System.Threading.Tasks.TaskCanceledException: A task was canceled.
         at Microsoft.JSInterop.JSRuntime.InvokeAsync[TValue](Int64 targetInstanceId, String identifier, Object[] args)
         at Microsoft.JSInterop.JSRuntimeExtensions.InvokeVoidAsync(IJSRuntime jsRuntime, String identifier, Object[] args)
         at Telerik.Blazor.Components.TelerikDrawer`1.DestroyDrawer()
         at Telerik.Blazor.Components.TelerikDrawer`1.Dispose()
         at System.Threading.Tasks.Task.<>c.<ThrowAsync>b__140_0(Object state)
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteSynchronously(TaskCompletionSource`1 completion, SendOrPostCallback d, Object state)
         at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
      --- End of stack trace from previous location ---
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteBackground(WorkItem item)
fail: Microsoft.AspNetCore.Components.Server.Circuits.CircuitHost[111]
      Unhandled exception in circuit 'rgMbdR3P6wPjc3dXUkPhUM8--gY_vmf332nudYDyl90'.
      System.Threading.Tasks.TaskCanceledException: A task was canceled.
         at Microsoft.JSInterop.JSRuntime.InvokeAsync[TValue](Int64 targetInstanceId, String identifier, Object[] args)
         at Microsoft.JSInterop.JSRuntimeExtensions.InvokeVoidAsync(IJSRuntime jsRuntime, String identifier, Object[] args)
         at Telerik.Blazor.Components.Popup.TelerikPopup.Dispose()
         at System.Threading.Tasks.Task.<>c.<ThrowAsync>b__140_0(Object state)
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteSynchronously(TaskCompletionSource`1 completion, SendOrPostCallback d, Object state)
         at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
      --- End of stack trace from previous location ---
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteBackground(WorkItem item)
fail: Microsoft.AspNetCore.Components.Server.Circuits.CircuitHost[111]
      Unhandled exception in circuit 'rgMbdR3P6wPjc3dXUkPhUM8--gY_vmf332nudYDyl90'.
      System.Threading.Tasks.TaskCanceledException: A task was canceled.
         at Microsoft.JSInterop.JSRuntime.InvokeAsync[TValue](Int64 targetInstanceId, String identifier, Object[] args)
         at Microsoft.JSInterop.JSRuntimeExtensions.InvokeVoidAsync(IJSRuntime jsRuntime, String identifier, Object[] args)
         at Telerik.Blazor.Components.Popup.TelerikPopup.Dispose()
         at System.Threading.Tasks.Task.<>c.<ThrowAsync>b__140_0(Object state)
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteSynchronously(TaskCompletionSource`1 completion, SendOrPostCallback d, Object state)
         at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
      --- End of stack trace from previous location ---
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteBackground(WorkItem item)
fail: Microsoft.AspNetCore.Components.Server.Circuits.CircuitHost[111]
      Unhandled exception in circuit 'rgMbdR3P6wPjc3dXUkPhUM8--gY_vmf332nudYDyl90'.
      System.Threading.Tasks.TaskCanceledException: A task was canceled.
         at Microsoft.JSInterop.JSRuntime.InvokeAsync[TValue](Int64 targetInstanceId, String identifier, Object[] args)
         at Microsoft.JSInterop.JSRuntimeExtensions.InvokeVoidAsync(IJSRuntime jsRuntime, String identifier, Object[] args)
         at Telerik.Blazor.Components.Popup.TelerikPopup.Dispose()
         at System.Threading.Tasks.Task.<>c.<ThrowAsync>b__140_0(Object state)
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteSynchronously(TaskCompletionSource`1 completion, SendOrPostCallback d, Object state)
         at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
      --- End of stack trace from previous location ---
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteBackground(WorkItem item)
fail: Microsoft.AspNetCore.Components.Server.Circuits.CircuitHost[111]
      Unhandled exception in circuit 'rgMbdR3P6wPjc3dXUkPhUM8--gY_vmf332nudYDyl90'.
      System.Threading.Tasks.TaskCanceledException: A task was canceled.
         at Microsoft.JSInterop.JSRuntime.InvokeAsync[TValue](Int64 targetInstanceId, String identifier, Object[] args)
         at Microsoft.JSInterop.JSRuntimeExtensions.InvokeVoidAsync(IJSRuntime jsRuntime, String identifier, Object[] args)
         at Telerik.Blazor.Components.Popup.TelerikPopup.Dispose()
         at System.Threading.Tasks.Task.<>c.<ThrowAsync>b__140_0(Object state)
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteSynchronously(TaskCompletionSource`1 completion, SendOrPostCallback d, Object state)
         at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
      --- End of stack trace from previous location ---
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteBackground(WorkItem item)
fail: Microsoft.AspNetCore.Components.Server.Circuits.CircuitHost[111]
      Unhandled exception in circuit 'rgMbdR3P6wPjc3dXUkPhUM8--gY_vmf332nudYDyl90'.
      System.Threading.Tasks.TaskCanceledException: A task was canceled.
         at Microsoft.JSInterop.JSRuntime.InvokeAsync[TValue](Int64 targetInstanceId, String identifier, Object[] args)
         at Microsoft.JSInterop.JSRuntimeExtensions.InvokeVoidAsync(IJSRuntime jsRuntime, String identifier, Object[] args)
         at Telerik.Blazor.Components.Popup.TelerikPopup.Dispose()
         at System.Threading.Tasks.Task.<>c.<ThrowAsync>b__140_0(Object state)
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteSynchronously(TaskCompletionSource`1 completion, SendOrPostCallback d, Object state)
         at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
      --- End of stack trace from previous location ---
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteBackground(WorkItem item)
fail: Microsoft.AspNetCore.Components.Server.Circuits.CircuitHost[111]
      Unhandled exception in circuit 'rgMbdR3P6wPjc3dXUkPhUM8--gY_vmf332nudYDyl90'.
      System.Threading.Tasks.TaskCanceledException: A task was canceled.
         at Microsoft.JSInterop.JSRuntime.InvokeAsync[TValue](Int64 targetInstanceId, String identifier, Object[] args)
         at Microsoft.JSInterop.JSRuntimeExtensions.InvokeVoidAsync(IJSRuntime jsRuntime, String identifier, Object[] args)
         at Telerik.Blazor.Components.Popup.TelerikPopup.Dispose()
         at System.Threading.Tasks.Task.<>c.<ThrowAsync>b__140_0(Object state)
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteSynchronously(TaskCompletionSource`1 completion, SendOrPostCallback d, Object state)
         at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
      --- End of stack trace from previous location ---
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteBackground(WorkItem item)
fail: Microsoft.AspNetCore.Components.Server.Circuits.CircuitHost[111]
      Unhandled exception in circuit 'rgMbdR3P6wPjc3dXUkPhUM8--gY_vmf332nudYDyl90'.
      System.Threading.Tasks.TaskCanceledException: A task was canceled.
         at Microsoft.JSInterop.JSRuntime.InvokeAsync[TValue](Int64 targetInstanceId, String identifier, Object[] args)
         at Microsoft.JSInterop.JSRuntimeExtensions.InvokeVoidAsync(IJSRuntime jsRuntime, String identifier, Object[] args)
         at Telerik.Blazor.Components.Popup.TelerikPopup.Dispose()
         at System.Threading.Tasks.Task.<>c.<ThrowAsync>b__140_0(Object state)
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteSynchronously(TaskCompletionSource`1 completion, SendOrPostCallback d, Object state)
         at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
      --- End of stack trace from previous location ---
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteBackground(WorkItem item)
fail: Microsoft.AspNetCore.Components.Server.Circuits.CircuitHost[111]
      Unhandled exception in circuit 'rgMbdR3P6wPjc3dXUkPhUM8--gY_vmf332nudYDyl90'.
      System.Threading.Tasks.TaskCanceledException: A task was canceled.
         at Microsoft.JSInterop.JSRuntime.InvokeAsync[TValue](Int64 targetInstanceId, String identifier, Object[] args)
         at Microsoft.JSInterop.JSRuntimeExtensions.InvokeVoidAsync(IJSRuntime jsRuntime, String identifier, Object[] args)
         at Telerik.Blazor.Components.Popup.TelerikPopup.Dispose()
         at System.Threading.Tasks.Task.<>c.<ThrowAsync>b__140_0(Object state)
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteSynchronously(TaskCompletionSource`1 completion, SendOrPostCallback d, Object state)
         at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
      --- End of stack trace from previous location ---
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteBackground(WorkItem item)
fail: Microsoft.AspNetCore.Components.Server.Circuits.CircuitHost[111]
      Unhandled exception in circuit 'rgMbdR3P6wPjc3dXUkPhUM8--gY_vmf332nudYDyl90'.
      System.Threading.Tasks.TaskCanceledException: A task was canceled.
         at Microsoft.JSInterop.JSRuntime.InvokeAsync[TValue](Int64 targetInstanceId, String identifier, Object[] args)
         at Microsoft.JSInterop.JSRuntimeExtensions.InvokeVoidAsync(IJSRuntime jsRuntime, String identifier, Object[] args)
         at Telerik.Blazor.Components.Popup.TelerikPopup.Dispose()
         at System.Threading.Tasks.Task.<>c.<ThrowAsync>b__140_0(Object state)
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteSynchronously(TaskCompletionSource`1 completion, SendOrPostCallback d, Object state)
         at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
      --- End of stack trace from previous location ---
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteBackground(WorkItem item)
fail: Microsoft.AspNetCore.Components.Server.Circuits.CircuitHost[111]
      Unhandled exception in circuit 'rgMbdR3P6wPjc3dXUkPhUM8--gY_vmf332nudYDyl90'.
      System.Threading.Tasks.TaskCanceledException: A task was canceled.
         at Microsoft.JSInterop.JSRuntime.InvokeAsync[TValue](Int64 targetInstanceId, String identifier, Object[] args)
         at Microsoft.JSInterop.JSRuntimeExtensions.InvokeVoidAsync(IJSRuntime jsRuntime, String identifier, Object[] args)
         at Telerik.Blazor.Components.Popup.TelerikPopup.Dispose()
         at System.Threading.Tasks.Task.<>c.<ThrowAsync>b__140_0(Object state)
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteSynchronously(TaskCompletionSource`1 completion, SendOrPostCallback d, Object state)
         at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
      --- End of stack trace from previous location ---
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteBackground(WorkItem item)
fail: Microsoft.AspNetCore.Components.Server.Circuits.CircuitHost[111]
      Unhandled exception in circuit 'rgMbdR3P6wPjc3dXUkPhUM8--gY_vmf332nudYDyl90'.
      System.Threading.Tasks.TaskCanceledException: A task was canceled.
         at Microsoft.JSInterop.JSRuntime.InvokeAsync[TValue](Int64 targetInstanceId, String identifier, Object[] args)
         at Microsoft.JSInterop.JSRuntimeExtensions.InvokeVoidAsync(IJSRuntime jsRuntime, String identifier, Object[] args)
         at Telerik.Blazor.Components.Popup.TelerikPopup.Dispose()
         at System.Threading.Tasks.Task.<>c.<ThrowAsync>b__140_0(Object state)
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteSynchronously(TaskCompletionSource`1 completion, SendOrPostCallback d, Object state)
         at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
      --- End of stack trace from previous location ---
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteBackground(WorkItem item)
fail: Microsoft.AspNetCore.Components.Server.Circuits.CircuitHost[111]
      Unhandled exception in circuit 'rgMbdR3P6wPjc3dXUkPhUM8--gY_vmf332nudYDyl90'.
      System.Threading.Tasks.TaskCanceledException: A task was canceled.
         at Microsoft.JSInterop.JSRuntime.InvokeAsync[TValue](Int64 targetInstanceId, String identifier, Object[] args)
         at Microsoft.JSInterop.JSRuntimeExtensions.InvokeVoidAsync(IJSRuntime jsRuntime, String identifier, Object[] args)
         at Telerik.Blazor.Components.Popup.TelerikPopup.Dispose()
         at System.Threading.Tasks.Task.<>c.<ThrowAsync>b__140_0(Object state)
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteSynchronously(TaskCompletionSource`1 completion, SendOrPostCallback d, Object state)
         at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
      --- End of stack trace from previous location ---
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteBackground(WorkItem item)
fail: Microsoft.AspNetCore.Components.Server.Circuits.CircuitHost[111]
      Unhandled exception in circuit 'rgMbdR3P6wPjc3dXUkPhUM8--gY_vmf332nudYDyl90'.
      System.Threading.Tasks.TaskCanceledException: A task was canceled.
         at Microsoft.JSInterop.JSRuntime.InvokeAsync[TValue](Int64 targetInstanceId, String identifier, Object[] args)
         at Microsoft.JSInterop.JSRuntimeExtensions.InvokeVoidAsync(IJSRuntime jsRuntime, String identifier, Object[] args)
         at Telerik.Blazor.Components.Popup.TelerikPopup.Dispose()
         at System.Threading.Tasks.Task.<>c.<ThrowAsync>b__140_0(Object state)
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteSynchronously(TaskCompletionSource`1 completion, SendOrPostCallback d, Object state)
         at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
      --- End of stack trace from previous location ---
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteBackground(WorkItem item)
fail: Microsoft.AspNetCore.Components.Server.Circuits.CircuitHost[111]
      Unhandled exception in circuit 'rgMbdR3P6wPjc3dXUkPhUM8--gY_vmf332nudYDyl90'.
      System.Threading.Tasks.TaskCanceledException: A task was canceled.
         at Microsoft.JSInterop.JSRuntime.InvokeAsync[TValue](Int64 targetInstanceId, String identifier, Object[] args)
         at Microsoft.JSInterop.JSRuntimeExtensions.InvokeVoidAsync(IJSRuntime jsRuntime, String identifier, Object[] args)
         at Telerik.Blazor.Components.Popup.TelerikPopup.Dispose()
         at System.Threading.Tasks.Task.<>c.<ThrowAsync>b__140_0(Object state)
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteSynchronously(TaskCompletionSource`1 completion, SendOrPostCallback d, Object state)
         at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
      --- End of stack trace from previous location ---
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteBackground(WorkItem item)
fail: Microsoft.AspNetCore.Components.Server.Circuits.CircuitHost[111]
      Unhandled exception in circuit 'rgMbdR3P6wPjc3dXUkPhUM8--gY_vmf332nudYDyl90'.
      System.Threading.Tasks.TaskCanceledException: A task was canceled.
         at Microsoft.JSInterop.JSRuntime.InvokeAsync[TValue](Int64 targetInstanceId, String identifier, Object[] args)
         at Microsoft.JSInterop.JSRuntimeExtensions.InvokeVoidAsync(IJSRuntime jsRuntime, String identifier, Object[] args)
         at Telerik.Blazor.Components.Common.Animation.AnimationGroupBase.Dispose()
         at System.Threading.Tasks.Task.<>c.<ThrowAsync>b__140_0(Object state)
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteSynchronously(TaskCompletionSource`1 completion, SendOrPostCallback d, Object state)
         at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
      --- End of stack trace from previous location ---
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteBackground(WorkItem item)
fail: Microsoft.AspNetCore.Components.Server.Circuits.CircuitHost[111]
      Unhandled exception in circuit 'rgMbdR3P6wPjc3dXUkPhUM8--gY_vmf332nudYDyl90'.
      System.Threading.Tasks.TaskCanceledException: A task was canceled.
         at Microsoft.JSInterop.JSRuntime.InvokeAsync[TValue](Int64 targetInstanceId, String identifier, Object[] args)
         at Microsoft.JSInterop.JSRuntimeExtensions.InvokeVoidAsync(IJSRuntime jsRuntime, String identifier, Object[] args)
         at Telerik.Blazor.Components.Common.Animation.AnimationGroupBase.Dispose()
         at System.Threading.Tasks.Task.<>c.<ThrowAsync>b__140_0(Object state)
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteSynchronously(TaskCompletionSource`1 completion, SendOrPostCallback d, Object state)
         at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
      --- End of stack trace from previous location ---
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteBackground(WorkItem item)
fail: Microsoft.AspNetCore.Components.Server.Circuits.CircuitHost[111]
      Unhandled exception in circuit 'rgMbdR3P6wPjc3dXUkPhUM8--gY_vmf332nudYDyl90'.
      System.Threading.Tasks.TaskCanceledException: A task was canceled.
         at Microsoft.JSInterop.JSRuntime.InvokeAsync[TValue](Int64 targetInstanceId, String identifier, Object[] args)
         at Microsoft.JSInterop.JSRuntimeExtensions.InvokeVoidAsync(IJSRuntime jsRuntime, String identifier, Object[] args)
         at Telerik.Blazor.Components.Popup.TelerikPopup.Dispose()
         at System.Threading.Tasks.Task.<>c.<ThrowAsync>b__140_0(Object state)
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteSynchronously(TaskCompletionSource`1 completion, SendOrPostCallback d, Object state)
         at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
      --- End of stack trace from previous location ---
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteBackground(WorkItem item)
fail: Microsoft.AspNetCore.Components.Server.Circuits.CircuitHost[111]
      Unhandled exception in circuit 'rgMbdR3P6wPjc3dXUkPhUM8--gY_vmf332nudYDyl90'.
      System.Threading.Tasks.TaskCanceledException: A task was canceled.
         at Microsoft.JSInterop.JSRuntime.InvokeAsync[TValue](Int64 targetInstanceId, String identifier, Object[] args)
         at Microsoft.JSInterop.JSRuntimeExtensions.InvokeVoidAsync(IJSRuntime jsRuntime, String identifier, Object[] args)
         at Telerik.Blazor.Components.Common.Animation.AnimationGroupBase.Dispose()
         at System.Threading.Tasks.Task.<>c.<ThrowAsync>b__140_0(Object state)
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteSynchronously(TaskCompletionSource`1 completion, SendOrPostCallback d, Object state)
         at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
      --- End of stack trace from previous location ---
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteBackground(WorkItem item)
fail: Microsoft.AspNetCore.Components.Server.Circuits.CircuitHost[111]
      Unhandled exception in circuit 'rgMbdR3P6wPjc3dXUkPhUM8--gY_vmf332nudYDyl90'.
      System.Threading.Tasks.TaskCanceledException: A task was canceled.
         at Microsoft.JSInterop.JSRuntime.InvokeAsync[TValue](Int64 targetInstanceId, String identifier, Object[] args)
         at Microsoft.JSInterop.JSRuntimeExtensions.InvokeVoidAsync(IJSRuntime jsRuntime, String identifier, Object[] args)
         at Telerik.Blazor.Components.Common.Animation.AnimationGroupBase.Dispose()
         at System.Threading.Tasks.Task.<>c.<ThrowAsync>b__140_0(Object state)
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteSynchronously(TaskCompletionSource`1 completion, SendOrPostCallback d, Object state)
         at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
      --- End of stack trace from previous location ---
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteBackground(WorkItem item)
fail: Microsoft.AspNetCore.Components.Server.Circuits.CircuitHost[111]
      Unhandled exception in circuit 'rgMbdR3P6wPjc3dXUkPhUM8--gY_vmf332nudYDyl90'.
      System.Threading.Tasks.TaskCanceledException: A task was canceled.
         at Microsoft.JSInterop.JSRuntime.InvokeAsync[TValue](Int64 targetInstanceId, String identifier, Object[] args)
         at Microsoft.JSInterop.JSRuntimeExtensions.InvokeVoidAsync(IJSRuntime jsRuntime, String identifier, Object[] args)
         at Telerik.Blazor.Components.Common.Animation.AnimationGroupBase.Dispose()
         at System.Threading.Tasks.Task.<>c.<ThrowAsync>b__140_0(Object state)
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteSynchronously(TaskCompletionSource`1 completion, SendOrPostCallback d, Object state)
         at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
      --- End of stack trace from previous location ---
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteBackground(WorkItem item)
fail: Microsoft.AspNetCore.Components.Server.Circuits.CircuitHost[111]
      Unhandled exception in circuit 'rgMbdR3P6wPjc3dXUkPhUM8--gY_vmf332nudYDyl90'.
      System.Threading.Tasks.TaskCanceledException: A task was canceled.
         at Microsoft.JSInterop.JSRuntime.InvokeAsync[TValue](Int64 targetInstanceId, String identifier, Object[] args)
         at Microsoft.JSInterop.JSRuntimeExtensions.InvokeVoidAsync(IJSRuntime jsRuntime, String identifier, Object[] args)
         at Telerik.Blazor.Components.Common.Animation.AnimationGroupBase.Dispose()
         at System.Threading.Tasks.Task.<>c.<ThrowAsync>b__140_0(Object state)
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteSynchronously(TaskCompletionSource`1 completion, SendOrPostCallback d, Object state)
         at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
      --- End of stack trace from previous location ---
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteBackground(WorkItem item)
fail: Microsoft.AspNetCore.Components.Server.Circuits.CircuitHost[111]
      Unhandled exception in circuit 'rgMbdR3P6wPjc3dXUkPhUM8--gY_vmf332nudYDyl90'.
      System.Threading.Tasks.TaskCanceledException: A task was canceled.
         at Microsoft.JSInterop.JSRuntime.InvokeAsync[TValue](Int64 targetInstanceId, String identifier, Object[] args)
         at Microsoft.JSInterop.JSRuntimeExtensions.InvokeVoidAsync(IJSRuntime jsRuntime, String identifier, Object[] args)
         at Telerik.Blazor.Components.Common.Animation.AnimationGroupBase.Dispose()
         at System.Threading.Tasks.Task.<>c.<ThrowAsync>b__140_0(Object state)
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteSynchronously(TaskCompletionSource`1 completion, SendOrPostCallback d, Object state)
         at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
      --- End of stack trace from previous location ---
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteBackground(WorkItem item)
fail: Microsoft.AspNetCore.Components.Server.Circuits.CircuitHost[111]
      Unhandled exception in circuit 'rgMbdR3P6wPjc3dXUkPhUM8--gY_vmf332nudYDyl90'.
      System.Threading.Tasks.TaskCanceledException: A task was canceled.
         at Microsoft.JSInterop.JSRuntime.InvokeAsync[TValue](Int64 targetInstanceId, String identifier, Object[] args)
         at Microsoft.JSInterop.JSRuntimeExtensions.InvokeVoidAsync(IJSRuntime jsRuntime, String identifier, Object[] args)
         at Telerik.Blazor.Components.Common.Animation.AnimationGroupBase.Dispose()
         at System.Threading.Tasks.Task.<>c.<ThrowAsync>b__140_0(Object state)
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteSynchronously(TaskCompletionSource`1 completion, SendOrPostCallback d, Object state)
         at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
      --- End of stack trace from previous location ---
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteBackground(WorkItem item)
fail: Microsoft.AspNetCore.Components.Server.Circuits.CircuitHost[111]
      Unhandled exception in circuit 'rgMbdR3P6wPjc3dXUkPhUM8--gY_vmf332nudYDyl90'.
      System.Threading.Tasks.TaskCanceledException: A task was canceled.
         at Microsoft.JSInterop.JSRuntime.InvokeAsync[TValue](Int64 targetInstanceId, String identifier, Object[] args)
         at Microsoft.JSInterop.JSRuntimeExtensions.InvokeVoidAsync(IJSRuntime jsRuntime, String identifier, Object[] args)
         at Telerik.Blazor.Components.Common.Animation.AnimationGroupBase.Dispose()
         at System.Threading.Tasks.Task.<>c.<ThrowAsync>b__140_0(Object state)
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteSynchronously(TaskCompletionSource`1 completion, SendOrPostCallback d, Object state)
         at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
      --- End of stack trace from previous location ---
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteBackground(WorkItem item)
fail: Microsoft.AspNetCore.Components.Server.Circuits.CircuitHost[111]
      Unhandled exception in circuit 'rgMbdR3P6wPjc3dXUkPhUM8--gY_vmf332nudYDyl90'.
      System.Threading.Tasks.TaskCanceledException: A task was canceled.
         at Microsoft.JSInterop.JSRuntime.InvokeAsync[TValue](Int64 targetInstanceId, String identifier, Object[] args)
         at Microsoft.JSInterop.JSRuntimeExtensions.InvokeVoidAsync(IJSRuntime jsRuntime, String identifier, Object[] args)
         at Telerik.Blazor.Components.Common.Animation.AnimationGroupBase.Dispose()
         at System.Threading.Tasks.Task.<>c.<ThrowAsync>b__140_0(Object state)
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteSynchronously(TaskCompletionSource`1 completion, SendOrPostCallback d, Object state)
         at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
      --- End of stack trace from previous location ---
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteBackground(WorkItem item)
fail: Microsoft.AspNetCore.Components.Server.Circuits.CircuitHost[111]
      Unhandled exception in circuit 'rgMbdR3P6wPjc3dXUkPhUM8--gY_vmf332nudYDyl90'.
      System.Threading.Tasks.TaskCanceledException: A task was canceled.
         at Microsoft.JSInterop.JSRuntime.InvokeAsync[TValue](Int64 targetInstanceId, String identifier, Object[] args)
         at Microsoft.JSInterop.JSRuntimeExtensions.InvokeVoidAsync(IJSRuntime jsRuntime, String identifier, Object[] args)
         at Telerik.Blazor.Components.Common.Animation.AnimationGroupBase.Dispose()
         at System.Threading.Tasks.Task.<>c.<ThrowAsync>b__140_0(Object state)
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteSynchronously(TaskCompletionSource`1 completion, SendOrPostCallback d, Object state)
         at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
      --- End of stack trace from previous location ---
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteBackground(WorkItem item)
fail: Microsoft.AspNetCore.Components.Server.Circuits.CircuitHost[111]
      Unhandled exception in circuit 'rgMbdR3P6wPjc3dXUkPhUM8--gY_vmf332nudYDyl90'.
      System.Threading.Tasks.TaskCanceledException: A task was canceled.
         at Microsoft.JSInterop.JSRuntime.InvokeAsync[TValue](Int64 targetInstanceId, String identifier, Object[] args)
         at Microsoft.JSInterop.JSRuntimeExtensions.InvokeVoidAsync(IJSRuntime jsRuntime, String identifier, Object[] args)
         at Telerik.Blazor.Components.Common.Animation.AnimationGroupBase.Dispose()
         at System.Threading.Tasks.Task.<>c.<ThrowAsync>b__140_0(Object state)
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteSynchronously(TaskCompletionSource`1 completion, SendOrPostCallback d, Object state)
         at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
      --- End of stack trace from previous location ---
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteBackground(WorkItem item)
fail: Microsoft.AspNetCore.Components.Server.Circuits.CircuitHost[111]
      Unhandled exception in circuit 'rgMbdR3P6wPjc3dXUkPhUM8--gY_vmf332nudYDyl90'.
      System.Threading.Tasks.TaskCanceledException: A task was canceled.
         at Microsoft.JSInterop.JSRuntime.InvokeAsync[TValue](Int64 targetInstanceId, String identifier, Object[] args)
         at Microsoft.JSInterop.JSRuntimeExtensions.InvokeVoidAsync(IJSRuntime jsRuntime, String identifier, Object[] args)
         at Telerik.Blazor.Components.Common.Animation.AnimationGroupBase.Dispose()
         at System.Threading.Tasks.Task.<>c.<ThrowAsync>b__140_0(Object state)
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteSynchronously(TaskCompletionSource`1 completion, SendOrPostCallback d, Object state)
         at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
      --- End of stack trace from previous location ---
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteBackground(WorkItem item)
fail: Microsoft.AspNetCore.Components.Server.Circuits.CircuitHost[111]
      Unhandled exception in circuit 'rgMbdR3P6wPjc3dXUkPhUM8--gY_vmf332nudYDyl90'.
      System.Threading.Tasks.TaskCanceledException: A task was canceled.
         at Microsoft.JSInterop.JSRuntime.InvokeAsync[TValue](Int64 targetInstanceId, String identifier, Object[] args)
         at Microsoft.JSInterop.JSRuntimeExtensions.InvokeVoidAsync(IJSRuntime jsRuntime, String identifier, Object[] args)
         at Telerik.Blazor.Components.Common.Animation.AnimationGroupBase.Dispose()
         at System.Threading.Tasks.Task.<>c.<ThrowAsync>b__140_0(Object state)
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteSynchronously(TaskCompletionSource`1 completion, SendOrPostCallback d, Object state)
         at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
      --- End of stack trace from previous location ---
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteBackground(WorkItem item)
fail: Microsoft.AspNetCore.Components.Server.Circuits.CircuitHost[111]
      Unhandled exception in circuit 'rgMbdR3P6wPjc3dXUkPhUM8--gY_vmf332nudYDyl90'.
      System.Threading.Tasks.TaskCanceledException: A task was canceled.
         at Microsoft.JSInterop.JSRuntime.InvokeAsync[TValue](Int64 targetInstanceId, String identifier, Object[] args)
         at Microsoft.JSInterop.JSRuntimeExtensions.InvokeVoidAsync(IJSRuntime jsRuntime, String identifier, Object[] args)
         at Telerik.Blazor.Components.Common.Animation.AnimationGroupBase.Dispose()
         at System.Threading.Tasks.Task.<>c.<ThrowAsync>b__140_0(Object state)
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteSynchronously(TaskCompletionSource`1 completion, SendOrPostCallback d, Object state)
         at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
      --- End of stack trace from previous location ---
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteBackground(WorkItem item)
fail: Microsoft.AspNetCore.Components.Server.Circuits.CircuitHost[111]
      Unhandled exception in circuit 'rgMbdR3P6wPjc3dXUkPhUM8--gY_vmf332nudYDyl90'.
      System.Threading.Tasks.TaskCanceledException: A task was canceled.
         at Microsoft.JSInterop.JSRuntime.InvokeAsync[TValue](Int64 targetInstanceId, String identifier, Object[] args)
         at Microsoft.JSInterop.JSRuntimeExtensions.InvokeVoidAsync(IJSRuntime jsRuntime, String identifier, Object[] args)
         at Telerik.Blazor.Components.Common.Animation.AnimationGroupBase.Dispose()
         at System.Threading.Tasks.Task.<>c.<ThrowAsync>b__140_0(Object state)
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteSynchronously(TaskCompletionSource`1 completion, SendOrPostCallback d, Object state)
         at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
      --- End of stack trace from previous location ---
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteBackground(WorkItem item)
fail: Microsoft.AspNetCore.Components.Server.Circuits.CircuitHost[111]
      Unhandled exception in circuit 'rgMbdR3P6wPjc3dXUkPhUM8--gY_vmf332nudYDyl90'.
      System.Threading.Tasks.TaskCanceledException: A task was canceled.
         at Microsoft.JSInterop.JSRuntime.InvokeAsync[TValue](Int64 targetInstanceId, String identifier, Object[] args)
         at Microsoft.JSInterop.JSRuntimeExtensions.InvokeVoidAsync(IJSRuntime jsRuntime, String identifier, Object[] args)
         at Telerik.Blazor.Components.Common.Animation.AnimationGroupBase.Dispose()
         at System.Threading.Tasks.Task.<>c.<ThrowAsync>b__140_0(Object state)
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteSynchronously(TaskCompletionSource`1 completion, SendOrPostCallback d, Object state)
         at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
      --- End of stack trace from previous location ---
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteBackground(WorkItem item)
fail: Microsoft.AspNetCore.Components.Server.Circuits.CircuitHost[111]
      Unhandled exception in circuit 'rgMbdR3P6wPjc3dXUkPhUM8--gY_vmf332nudYDyl90'.
      System.Threading.Tasks.TaskCanceledException: A task was canceled.
         at Microsoft.JSInterop.JSRuntime.InvokeAsync[TValue](Int64 targetInstanceId, String identifier, Object[] args)
         at Microsoft.JSInterop.JSRuntimeExtensions.InvokeVoidAsync(IJSRuntime jsRuntime, String identifier, Object[] args)
         at Telerik.Blazor.Components.Common.Animation.AnimationGroupBase.Dispose()
         at System.Threading.Tasks.Task.<>c.<ThrowAsync>b__140_0(Object state)
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteSynchronously(TaskCompletionSource`1 completion, SendOrPostCallback d, Object state)
         at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
      --- End of stack trace from previous location ---
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteBackground(WorkItem item)
fail: Microsoft.AspNetCore.Components.Server.Circuits.CircuitHost[111]
      Unhandled exception in circuit 'rgMbdR3P6wPjc3dXUkPhUM8--gY_vmf332nudYDyl90'.
      System.Threading.Tasks.TaskCanceledException: A task was canceled.
         at Microsoft.JSInterop.JSRuntime.InvokeAsync[TValue](Int64 targetInstanceId, String identifier, Object[] args)
         at Microsoft.JSInterop.JSRuntimeExtensions.InvokeVoidAsync(IJSRuntime jsRuntime, String identifier, Object[] args)
         at Telerik.Blazor.Components.Common.Animation.AnimationGroupBase.Dispose()
         at System.Threading.Tasks.Task.<>c.<ThrowAsync>b__140_0(Object state)
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteSynchronously(TaskCompletionSource`1 completion, SendOrPostCallback d, Object state)
         at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
      --- End of stack trace from previous location ---
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteBackground(WorkItem item)
fail: Microsoft.AspNetCore.Components.Server.Circuits.CircuitHost[111]
      Unhandled exception in circuit 'rgMbdR3P6wPjc3dXUkPhUM8--gY_vmf332nudYDyl90'.
      System.Threading.Tasks.TaskCanceledException: A task was canceled.
         at Microsoft.JSInterop.JSRuntime.InvokeAsync[TValue](Int64 targetInstanceId, String identifier, Object[] args)
         at Microsoft.JSInterop.JSRuntimeExtensions.InvokeVoidAsync(IJSRuntime jsRuntime, String identifier, Object[] args)
         at Telerik.Blazor.Components.Common.Animation.AnimationGroupBase.Dispose()
         at System.Threading.Tasks.Task.<>c.<ThrowAsync>b__140_0(Object state)
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteSynchronously(TaskCompletionSource`1 completion, SendOrPostCallback d, Object state)
         at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
      --- End of stack trace from previous location ---
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteBackground(WorkItem item)
fail: Microsoft.AspNetCore.Components.Server.Circuits.CircuitHost[111]
      Unhandled exception in circuit 'rgMbdR3P6wPjc3dXUkPhUM8--gY_vmf332nudYDyl90'.
      System.Threading.Tasks.TaskCanceledException: A task was canceled.
         at Microsoft.JSInterop.JSRuntime.InvokeAsync[TValue](Int64 targetInstanceId, String identifier, Object[] args)
         at Microsoft.JSInterop.JSRuntimeExtensions.InvokeVoidAsync(IJSRuntime jsRuntime, String identifier, Object[] args)
         at Telerik.Blazor.Components.Common.Animation.AnimationGroupBase.Dispose()
         at System.Threading.Tasks.Task.<>c.<ThrowAsync>b__140_0(Object state)
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteSynchronously(TaskCompletionSource`1 completion, SendOrPostCallback d, Object state)
         at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
      --- End of stack trace from previous location ---
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteBackground(WorkItem item)
fail: Microsoft.AspNetCore.Components.Server.Circuits.CircuitHost[111]
      Unhandled exception in circuit 'rgMbdR3P6wPjc3dXUkPhUM8--gY_vmf332nudYDyl90'.
      System.Threading.Tasks.TaskCanceledException: A task was canceled.
         at Microsoft.JSInterop.JSRuntime.InvokeAsync[TValue](Int64 targetInstanceId, String identifier, Object[] args)
         at Microsoft.JSInterop.JSRuntimeExtensions.InvokeVoidAsync(IJSRuntime jsRuntime, String identifier, Object[] args)
         at Telerik.Blazor.Components.Common.Animation.AnimationGroupBase.Dispose()
         at System.Threading.Tasks.Task.<>c.<ThrowAsync>b__140_0(Object state)
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteSynchronously(TaskCompletionSource`1 completion, SendOrPostCallback d, Object state)
         at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
      --- End of stack trace from previous location ---
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteBackground(WorkItem item)
fail: Microsoft.AspNetCore.Components.Server.Circuits.CircuitHost[111]
      Unhandled exception in circuit 'rgMbdR3P6wPjc3dXUkPhUM8--gY_vmf332nudYDyl90'.
      System.Threading.Tasks.TaskCanceledException: A task was canceled.
         at Microsoft.JSInterop.JSRuntime.InvokeAsync[TValue](Int64 targetInstanceId, String identifier, Object[] args)
         at Microsoft.JSInterop.JSRuntimeExtensions.InvokeVoidAsync(IJSRuntime jsRuntime, String identifier, Object[] args)
         at Telerik.Blazor.Components.Common.Animation.AnimationGroupBase.Dispose()
         at System.Threading.Tasks.Task.<>c.<ThrowAsync>b__140_0(Object state)
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteSynchronously(TaskCompletionSource`1 completion, SendOrPostCallback d, Object state)
         at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
      --- End of stack trace from previous location ---
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteBackground(WorkItem item)
fail: Microsoft.AspNetCore.Components.Server.Circuits.CircuitHost[111]
      Unhandled exception in circuit 'rgMbdR3P6wPjc3dXUkPhUM8--gY_vmf332nudYDyl90'.
      System.Threading.Tasks.TaskCanceledException: A task was canceled.
         at Microsoft.JSInterop.JSRuntime.InvokeAsync[TValue](Int64 targetInstanceId, String identifier, Object[] args)
         at Microsoft.JSInterop.JSRuntimeExtensions.InvokeVoidAsync(IJSRuntime jsRuntime, String identifier, Object[] args)
         at Telerik.Blazor.Components.Common.Animation.AnimationGroupBase.Dispose()
         at System.Threading.Tasks.Task.<>c.<ThrowAsync>b__140_0(Object state)
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteSynchronously(TaskCompletionSource`1 completion, SendOrPostCallback d, Object state)
         at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
      --- End of stack trace from previous location ---
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteBackground(WorkItem item)
fail: Microsoft.AspNetCore.Components.Server.Circuits.CircuitHost[111]
      Unhandled exception in circuit 'rgMbdR3P6wPjc3dXUkPhUM8--gY_vmf332nudYDyl90'.
      System.Threading.Tasks.TaskCanceledException: A task was canceled.
         at Microsoft.JSInterop.JSRuntime.InvokeAsync[TValue](Int64 targetInstanceId, String identifier, Object[] args)
         at Microsoft.JSInterop.JSRuntimeExtensions.InvokeVoidAsync(IJSRuntime jsRuntime, String identifier, Object[] args)
         at Telerik.Blazor.Components.TelerikDropDownList`2.Dispose()
         at System.Threading.Tasks.Task.<>c.<ThrowAsync>b__140_0(Object state)
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteSynchronously(TaskCompletionSource`1 completion, SendOrPostCallback d, Object state)
         at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
      --- End of stack trace from previous location ---
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteBackground(WorkItem item)
fail: Microsoft.AspNetCore.Components.Server.Circuits.CircuitHost[111]
      Unhandled exception in circuit 'rgMbdR3P6wPjc3dXUkPhUM8--gY_vmf332nudYDyl90'.
      System.Threading.Tasks.TaskCanceledException: A task was canceled.
         at Microsoft.JSInterop.JSRuntime.InvokeAsync[TValue](Int64 targetInstanceId, String identifier, Object[] args)
         at Microsoft.JSInterop.JSRuntimeExtensions.InvokeVoidAsync(IJSRuntime jsRuntime, String identifier, Object[] args)
         at Telerik.Blazor.Components.Popup.TelerikPopup.Dispose()
         at System.Threading.Tasks.Task.<>c.<ThrowAsync>b__140_0(Object state)
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteSynchronously(TaskCompletionSource`1 completion, SendOrPostCallback d, Object state)
         at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
      --- End of stack trace from previous location ---
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteBackground(WorkItem item)
fail: Microsoft.AspNetCore.Components.Server.Circuits.CircuitHost[111]
      Unhandled exception in circuit 'rgMbdR3P6wPjc3dXUkPhUM8--gY_vmf332nudYDyl90'.
      System.Threading.Tasks.TaskCanceledException: A task was canceled.
         at Microsoft.JSInterop.JSRuntime.InvokeAsync[TValue](Int64 targetInstanceId, String identifier, Object[] args)
         at Microsoft.JSInterop.JSRuntimeExtensions.InvokeVoidAsync(IJSRuntime jsRuntime, String identifier, Object[] args)
         at Telerik.Blazor.Components.Common.Animation.AnimationGroupBase.Dispose()
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteSynchronously(TaskCompletionSource`1 completion, SendOrPostCallback d, Object state)
         at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
      --- End of stack trace from previous location ---
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteBackground(WorkItem item)
fail: Microsoft.AspNetCore.Components.Server.Circuits.CircuitHost[111]
      Unhandled exception in circuit 'rgMbdR3P6wPjc3dXUkPhUM8--gY_vmf332nudYDyl90'.
      System.Threading.Tasks.TaskCanceledException: A task was canceled.
         at Microsoft.JSInterop.JSRuntime.InvokeAsync[TValue](Int64 targetInstanceId, String identifier, Object[] args)
         at Microsoft.JSInterop.JSRuntimeExtensions.InvokeVoidAsync(IJSRuntime jsRuntime, String identifier, Object[] args)
         at Telerik.Blazor.Components.Common.Animation.AnimationGroupBase.Dispose()
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteSynchronously(TaskCompletionSource`1 completion, SendOrPostCallback d, Object state)
         at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
      --- End of stack trace from previous location ---
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteBackground(WorkItem item)
fail: Microsoft.AspNetCore.Components.Server.Circuits.CircuitHost[111]
      Unhandled exception in circuit 'rgMbdR3P6wPjc3dXUkPhUM8--gY_vmf332nudYDyl90'.
      System.Threading.Tasks.TaskCanceledException: A task was canceled.
         at Microsoft.JSInterop.JSRuntime.InvokeAsync[TValue](Int64 targetInstanceId, String identifier, Object[] args)
         at Microsoft.JSInterop.JSRuntimeExtensions.InvokeVoidAsync(IJSRuntime jsRuntime, String identifier, Object[] args)
         at Telerik.Blazor.Components.Common.Animation.AnimationGroupBase.Dispose()
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteSynchronously(TaskCompletionSource`1 completion, SendOrPostCallback d, Object state)
         at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
      --- End of stack trace from previous location ---
         at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteBackground(WorkItem item)