Pending Review
Last Updated: 26 Feb 2026 12:52 by Andreas
Andreas
Created on: 26 Feb 2026 12:52
Category: Editor
Type: Bug Report
1
Scripting error in Editor if row without cells

When a table row does not have any cells, there might be lots of script errors when hovering the empty row with the mouse.

The error is the following:
Uncaught RangeError: Not a table node: doc

    get http://localhost:5045/_content/Telerik.UI.for.Blazor/js/telerik-blazor.kh4xf5u23f.js:1
    get http://localhost:5045/_content/Telerik.UI.for.Blazor/js/telerik-blazor.kh4xf5u23f.js:1
    decorations http://localhost:5045/_content/Telerik.UI.for.Blazor/js/telerik-blazor.kh4xf5u23f.js:1
    decorations http://localhost:5045/_content/Telerik.UI.for.Blazor/js/telerik-blazor.kh4xf5u23f.js:1
    Fa http://localhost:5045/_content/Telerik.UI.for.Blazor/js/telerik-blazor.kh4xf5u23f.js:1
    someProp http://localhost:5045/_content/Telerik.UI.for.Blazor/js/telerik-blazor.kh4xf5u23f.js:1
    Fa http://localhost:5045/_content/Telerik.UI.for.Blazor/js/telerik-blazor.kh4xf5u23f.js:1
    updateStateInner http://localhost:5045/_content/Telerik.UI.for.Blazor/js/telerik-blazor.kh4xf5u23f.js:1
    updateState http://localhost:5045/_content/Telerik.UI.for.Blazor/js/telerik-blazor.kh4xf5u23f.js:1
    dispatch http://localhost:5045/_content/Telerik.UI.for.Blazor/js/telerik-blazor.kh4xf5u23f.js:1
    Bu http://localhost:5045/_content/Telerik.UI.for.Blazor/js/telerik-blazor.kh4xf5u23f.js:1
    mousemove http://localhost:5045/_content/Telerik.UI.for.Blazor/js/telerik-blazor.kh4xf5u23f.js:1
    mousemove http://localhost:5045/_content/Telerik.UI.for.Blazor/js/telerik-blazor.kh4xf5u23f.js:1
    Vo http://localhost:5045/_content/Telerik.UI.for.Blazor/js/telerik-blazor.kh4xf5u23f.js:1
    someProp http://localhost:5045/_content/Telerik.UI.for.Blazor/js/telerik-blazor.kh4xf5u23f.js:1
    Vo http://localhost:5045/_content/Telerik.UI.for.Blazor/js/telerik-blazor.kh4xf5u23f.js:1
    i http://localhost:5045/_content/Telerik.UI.for.Blazor/js/telerik-blazor.kh4xf5u23f.js:1
    Jo http://localhost:5045/_content/Telerik.UI.for.Blazor/js/telerik-blazor.kh4xf5u23f.js:1
    someProp http://localhost:5045/_content/Telerik.UI.for.Blazor/js/telerik-blazor.kh4xf5u23f.js:1
    Jo http://localhost:5045/_content/Telerik.UI.for.Blazor/js/telerik-blazor.kh4xf5u23f.js:1
    Wa http://localhost:5045/_content/Telerik.UI.for.Blazor/js/telerik-blazor.kh4xf5u23f.js:1
    Wa http://localhost:5045/_content/Telerik.UI.for.Blazor/js/telerik-blazor.kh4xf5u23f.js:1
    initEditor http://localhost:5045/_content/Telerik.UI.for.Blazor/js/telerik-blazor.kh4xf5u23f.js:1
    initialize http://localhost:5045/_content/Telerik.UI.for.Blazor/js/telerik-blazor.kh4xf5u23f.js:1
    d http://localhost:5045/_content/Telerik.UI.for.Blazor/js/telerik-blazor.kh4xf5u23f.js:1
    initComponent http://localhost:5045/_content/Telerik.UI.for.Blazor/js/telerik-blazor.kh4xf5u23f.js:1
    initEditor http://localhost:5045/_content/Telerik.UI.for.Blazor/js/telerik-blazor.kh4xf5u23f.js:1
    processJSCall http://localhost:5045/_framework/blazor.web.ax6tuj8tun.js:1
    beginInvokeJSFromDotNet http://localhost:5045/_framework/blazor.web.ax6tuj8tun.js:1
    _invokeClientMethod http://localhost:5045/_framework/blazor.web.ax6tuj8tun.js:1
    _processIncomingData http://localhost:5045/_framework/blazor.web.ax6tuj8tun.js:1
    onreceive http://localhost:5045/_framework/blazor.web.ax6tuj8tun.js:1
    onmessage http://localhost:5045/_framework/blazor.web.ax6tuj8tun.js:1
    connect http://localhost:5045/_framework/blazor.web.ax6tuj8tun.js:1
    connect http://localhost:5045/_framework/blazor.web.ax6tuj8tun.js:1
    _startTransport http://localhost:5045/_framework/blazor.web.ax6tuj8tun.js:1
    _createTransport http://localhost:5045/_framework/blazor.web.ax6tuj8tun.js:1
    _startInternal http://localhost:5045/_framework/blazor.web.ax6tuj8tun.js:1
    start http://localhost:5045/_framework/blazor.web.ax6tuj8tun.js:1
    _startInternal http://localhost:5045/_framework/blazor.web.ax6tuj8tun.js:1
    _startWithStateTransitions http://localhost:5045/_framework/blazor.web.ax6tuj8tun.js:1
    start http://localhost:5045/_framework/blazor.web.ax6tuj8tun.js:1
    startConnection http://localhost:5045/_framework/blazor.web.ax6tuj8tun.js:1
    startCore http://localhost:5045/_framework/blazor.web.ax6tuj8tun.js:1
    start http://localhost:5045/_framework/blazor.web.ax6tuj8tun.js:1
    rr http://localhost:5045/_framework/blazor.web.ax6tuj8tun.js:1
    or http://localhost:5045/_framework/blazor.web.ax6tuj8tun.js:1
    startCircutIfNotStarted http://localhost:5045/_framework/blazor.web.ax6tuj8tun.js:1
    resolveRendererIdForDescriptor http://localhost:5045/_framework/blazor.web.ax6tuj8tun.js:1
    determinePendingOperation http://localhost:5045/_framework/blazor.web.ax6tuj8tun.js:1
    refreshRootComponents http://localhost:5045/_framework/blazor.web.ax6tuj8tun.js:1
    rootComponentsMayRequireRefresh http://localhost:5045/_framework/blazor.web.ax6tuj8tun.js:1
    rootComponentsMayRequireRefresh http://localhost:5045/_framework/blazor.web.ax6tuj8tun.js:1
    onDocumentUpdated http://localhost:5045/_framework/blazor.web.ax6tuj8tun.js:1
    Ki http://localhost:5045/_framework/blazor.web.ax6tuj8tun.js:1
    Vi http://localhost:5045/_framework/blazor.web.ax6tuj8tun.js:1
    <anonymous> http://localhost:5045/_framework/blazor.web.ax6tuj8tun.js:1
    <anonymous> http://localhost:5045/_framework/blazor.web.ax6tuj8tun.js:1

 

Sometimes we even have a server error:
Microsoft.JSInterop.JSException: Not a table node: table_wrapper
RangeError: Not a table node: table_wrapper
    at https://somesite/caesar/_content/Telerik.UI.for.Blazor/js/telerik-blazor.js?x=25.1.7.1096:23:1557112
    at pl.get (https://somesite/caesar/_content/Telerik.UI.for.Blazor/js/telerik-blazor.js?x=25.1.7.1096:23:1558816)
    at https://somesite/caesar/_content/Telerik.UI.for.Blazor/js/telerik-blazor.js?x=25.1.7.1096:23:1638148
    at Be.decorations (https://somesite/caesar/_content/Telerik.UI.for.Blazor/js/telerik-blazor.js?x=25.1.7.1096:23:1638538)
    at https://somesite/caesar/_content/Telerik.UI.for.Blazor/js/telerik-blazor.js?x=25.1.7.1096:23:1529498
    at Wa.someProp (https://somesite/caesar/_content/Telerik.UI.for.Blazor/js/telerik-blazor.js?x=25.1.7.1096:23:1548718)
    at Fa (https://somesite/caesar/_content/Telerik.UI.for.Blazor/js/telerik-blazor.js?x=25.1.7.1096:23:1529464)
    at Wa.updateStateInner (https://somesite/caesar/_content/Telerik.UI.for.Blazor/js/telerik-blazor.js?x=25.1.7.1096:23:1545305)
    at Wa.update (https://somesite/caesar/_content/Telerik.UI.for.Blazor/js/telerik-blazor.js?x=25.1.7.1096:23:1544591)
    at Wa.setProps (https://somesite/caesar/_content/Telerik.UI.for.Blazor/js/telerik-blazor.js?x=25.1.7.1096:23:1544734)
   at Microsoft.JSInterop.JSRuntime.InvokeAsync[TValue](Int64 targetInstanceId, String identifier, Object[] args)
   at Telerik.Blazor.Components.TelerikEditor.SetOptions()
   at Telerik.Blazor.Components.TelerikEditor.OnParametersSetAsync()
   at Microsoft.AspNetCore.Components.ComponentBase.CallStateHasChangedOnAsyncCompletion(Task task)
   at Microsoft.AspNetCore.Components.RenderTree.Renderer.GetErrorHandledTask(Task taskToHandle, ComponentState owningComponentState)

The server error is really hard to recreate, but it seems like users that has a slow computer and hovers the editor directly when loading gets this error sometimes...

Here is the source code (hovering the empty row will generate scripting errors):

<TelerikEditor Height="300px" @bind-Value="@Value" EditMode="Telerik.Blazor.EditorEditMode.Iframe" ReadOnly="true">
</TelerikEditor>

@code {
    public string Value { get; set; } =
            @"
<table>
    <tbody>
        <tr>
            <td>
               Some text
            </td>
        </tr>
        <tr style=""height: 24px"">
        </tr>
        <tr>
            <td>
                Some text
            </td>
        </tr>
    </tbody>
</table>
    ";
}

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