Progress® Telerik® UI for Blazor Feedback Portal

Completed

Last Updated: 19 May 2020 16:15 by ADMIN

Release 2.14.0

Bug with grid EditorTemplate

Created by: Kostas

Comments: 1

Category: UI for Blazor

Type: Bug Report

Bug with grid EditorTemplate

Based on the example used in this page (https://docs.telerik.com/blazor-ui/components/grid/editing/incell)

i tried to use a component of my own composed by teleriks components in the editor template

@page "/fetchdata"
@using Microsoft.AspNetCore.Authorization
@using Microsoft.AspNetCore.Components.WebAssembly.Authentication
@inject IAccessTokenProvider AuthenticationService
@inject NavigationManager Navigation
@inject WeatherForecastDataSource WeatherForecastDataSource
@using Olympus.Artemis.Shared
@attribute [Authorize]

<h1>Weather forecast</h1>

<p>This component demonstrates fetching data from the server.</p>


<table class="table">
    <thead>
        <tr>
            <th>Date</th>
            <th>Temp. (C)</th>
            <th>Temp. (F)</th>
            <th>Summary</th>
        </tr>
    </thead>
    <tbody>
        <TelerikGrid Data="_data" Height="400px"  
                     Pageable="true" Sortable="true" Groupable="true" EditMode="@GridEditMode.Incell" Navigable="true"
                     FilterMode="Telerik.Blazor.GridFilterMode.FilterRow" @ref="_grid"
                     Resizable="true" Reorderable="true">
            <GridColumns>
                <GridColumn Field=@nameof(TestItem.WeatherForecastID) Title="Position" Width="200px">
                    <Template Context="item">
                        @{

                            var value = ((TestItem)item).WeatherForecastID;
                            var text = data.Where(x => x.ID == value).Select(x => x.Date).FirstOrDefault();

                        }
                        @text
                    </Template>
                    <EditorTemplate>
                        @{
                            currentItem = context as TestItem;
                            <Test2 OnChange="@onChange" DataSource="@this.WeatherForecastDataSource" Value="@currentItem.WeatherForecastID"></Test2>
 
                        }
                    </EditorTemplate>
                </GridColumn>
            </GridColumns>
        </TelerikGrid>


       
    </tbody>

</table>


@code {   
    protected async Task onChange(object o) {
        currentItem.WeatherForecastID =(Guid) o;
        Console.WriteLine("wrwerwe"+currentItem.WeatherForecastID);
        await CloseEditor(currentItem);
    }
    protected async override Task OnParametersSetAsync()
    {
        data =await WeatherForecastDataSource.GetDataAsync();

        await base.OnParametersSetAsync();
    }
    public List<WeatherForecast> data = new List<WeatherForecast>();
    public TestItem currentItem { get; set; }
    TelerikGrid<TestItem> _grid;
    DateTime selectedValue { get; set; } = DateTime.Now;
    private List<TestItem> _data = new List<TestItem>()
    {
            new TestItem { MyDate = DateTime.Today, DateName = "Σημερα" ,WeatherForecastID= new Guid("be4f3a98-5fd3-4972-bc49-1c442cdf87dd") ,ID=Guid.NewGuid()},
            new TestItem { MyDate =DateTime.Today.AddDays(1), DateName = "Αύριο",WeatherForecastID=new Guid("7fac0c25-653b-4606-afef-19f6e27fc57a"),ID=Guid.NewGuid() },
            new TestItem { MyDate =DateTime.Today.AddDays(2), DateName = "Μεθαύριο" ,WeatherForecastID= new Guid("48eb0a12-5971-479a-852d-6383f30e14cb"),ID=Guid.NewGuid()},
            new TestItem { MyDate =DateTime.Today.AddDays(3), DateName = "Αντιμεθαύριο" ,WeatherForecastID= new Guid("113bde91-b0b9-45e0-9d4b-5b280650e042"),ID=Guid.NewGuid()}
    };


    public class TestItem:Olympus.Artemis.Shared.InfoEntities.BaseInfo {
        public Guid WeatherForecastID { get; set; }
        public DateTime MyDate { get; set; }
        public string DateName { get; set; }
        public override bool Equals(object obj)
        {
            if (obj != null && obj is TestItem)
            {
                TestItem curr = obj as TestItem;
                return (ID == curr.ID) && (WeatherForecastID == curr.WeatherForecastID) && (MyDate == curr.MyDate) && (DateName == curr.DateName);
            }
            return false;
        }
    }
    public async Task CloseEditor(TestItem currentItem)
    {
        var state = _grid?.GetState();

        if (currentItem.ID == null && state.InsertedItem != null)
        {
            // insert operation - the item is new
            await CreateHandler(new GridCommandEventArgs()
            {
                Item = state.InsertedItem
            });
        }
        else
        if (currentItem.ID != null && state.EditItem != null)
        {
            Console.WriteLine($"field c {state.EditField}  {typeof(TestItem).GetProperty(state.EditField).GetValue(currentItem)}");
            Console.WriteLine($"field e {state.EditField}  {typeof(TestItem).GetProperty(state.EditField).GetValue(state.EditItem)}");

            // edit operation on an existing item
            await UpdateHandler(new GridCommandEventArgs()
            {
                Item = state.EditItem,
                Field = state.EditField
            });
        }

        state.InsertedItem = state.OriginalEditItem = state.EditItem = default;
        StateHasChanged();
        await Task.Delay(200); // let the grid re-render and close the cell if keyboard navigation is enabled

        await _grid?.SetState(state);
    }
    async Task UpdateHandler(GridCommandEventArgs args)
    {

        string fieldName = args.Field;
        object newVal = args.Value; // you can cast this, if necessary, according to your model
        Console.WriteLine(fieldName);

        TestItem item = (TestItem)args.Item; // you can also use the entire model
        Console.WriteLine(item.ID);

        // perform actual data source operation here through your service

        // if the grid Data is not tied to the service, you may need to update the local view data too
        var index = _data.FindIndex(i => i.ID == item.ID);
        if (index != -1)
        {
            if (!_data[index].Equals(item))
            {
                _data[index] = item;
                Console.WriteLine("Update event is fired for " + args.Field + typeof(TestItem).GetProperty(args.Field).GetValue(item));
                // this copies the entire item, consider altering only the needed field
            }
        }

    }
    async Task CreateHandler(GridCommandEventArgs args)
    {
        TestItem item = (TestItem)args.Item;

        item.ID = Guid.NewGuid();
        _data.Insert(0, item);

        Console.WriteLine("create");
        // perform actual data source operation here through your service
    }


}

The test2 component created by me is this one It only includes a telerikdropdown

@using Olympus.Artemis.Shared
<TelerikComboBox Data="@Items" Value="@Value" ValueField="ID" OnChange="@OnChange" TextField="Date">

</TelerikComboBox>
@code {


    [Parameter]
    public EventCallback<Object> OnChange { get; set; }

 

    [Parameter]
    public Guid Value { get; set; }

    [Parameter]

    public DataSource<WeatherForecast> DataSource { get; set; }

    private IEnumerable<WeatherForecast> Items { get; set; } = new List<WeatherForecast>();
    protected async override Task OnInitializedAsync()
    {
        Items = await DataSource.GetDataAsync();

        await base.OnInitializedAsync();
    }


}

But when i try to select something from the dropdown list the grid cel does not close gracefully

I get this error (the problem is when it executed the line await _grid?.SetState(state);)

blazor.webassembly.js:1 crit: Microsoft.AspNetCore.Components.WebAssembly.Rendering.WebAssemblyRenderer[100]
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 Unhandled exception rendering component: Unknown edit type: 0
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 Error: Unknown edit type: 0
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at e.applyEdits (https://localhost:44310/_framework/blazor.webassembly.js:1:15000)
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at e.updateComponent (https://localhost:44310/_framework/blazor.webassembly.js:1:12872)
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at Object.t.renderBatch (https://localhost:44310/_framework/blazor.webassembly.js:1:1704)
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at Object.window.Blazor._internal.renderBatch (https://localhost:44310/_framework/blazor.webassembly.js:1:34679)
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at _mono_wasm_invoke_js_unmarshalled (https://localhost:44310/_framework/wasm/dotnet.3.2.0-preview5.20216.1.js:1:166495)
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at wasm_invoke_iiiiii (wasm-function[3166]:0x9d336)
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at icall_trampoline_dispatch (wasm-function[5782]:0x1006fa)
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at mono_wasm_interp_to_native_trampoline (wasm-function[4612]:0xcc80e)
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at ves_pinvoke_method (wasm-function[3215]:0x9ed39)
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at interp_exec_method (wasm-function[1126]:0x25a67)
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 Microsoft.JSInterop.JSException: Unknown edit type: 0
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 Error: Unknown edit type: 0
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at e.applyEdits (https://localhost:44310/_framework/blazor.webassembly.js:1:15000)
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at e.updateComponent (https://localhost:44310/_framework/blazor.webassembly.js:1:12872)
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at Object.t.renderBatch (https://localhost:44310/_framework/blazor.webassembly.js:1:1704)
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at Object.window.Blazor._internal.renderBatch (https://localhost:44310/_framework/blazor.webassembly.js:1:34679)
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at _mono_wasm_invoke_js_unmarshalled (https://localhost:44310/_framework/wasm/dotnet.3.2.0-preview5.20216.1.js:1:166495)
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at wasm_invoke_iiiiii (wasm-function[3166]:0x9d336)
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at icall_trampoline_dispatch (wasm-function[5782]:0x1006fa)
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at mono_wasm_interp_to_native_trampoline (wasm-function[4612]:0xcc80e)
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at ves_pinvoke_method (wasm-function[3215]:0x9ed39)
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at interp_exec_method (wasm-function[1126]:0x25a67)
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at Microsoft.JSInterop.WebAssembly.WebAssemblyJSRuntime.InvokeUnmarshalled[T0,T1,T2,TResult] (System.String identifier, T0 arg0, T1 arg1, T2 arg2) <0x3038030 + 0x00046> in <filename unknown>:0
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at Microsoft.JSInterop.WebAssembly.WebAssemblyJSRuntime.InvokeUnmarshalled[T0,T1,TResult] (System.String identifier, T0 arg0, T1 arg1) <0x3037f50 + 0x00014> in <filename unknown>:0
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at Microsoft.AspNetCore.Components.WebAssembly.Rendering.WebAssemblyRenderer.UpdateDisplayAsync (Microsoft.AspNetCore.Components.RenderTree.RenderBatch& batch) <0x3037e58 + 0x0001e> in <filename unknown>:0
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at Microsoft.AspNetCore.Components.RenderTree.Renderer.ProcessRenderQueue () <0x2de1a68 + 0x000f2> in <filename unknown>:0
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 crit: Microsoft.AspNetCore.Components.WebAssembly.Rendering.WebAssemblyRenderer[100]
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 Unhandled exception rendering component: Cannot read property 'parentNode' of undefined
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 TypeError: Cannot read property 'parentNode' of undefined
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at Object.e [as removeLogicalChild] (https://localhost:44310/_framework/blazor.webassembly.js:1:6927)
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at e.applyEdits (https://localhost:44310/_framework/blazor.webassembly.js:1:13641)
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at e.updateComponent (https://localhost:44310/_framework/blazor.webassembly.js:1:12872)
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at Object.t.renderBatch (https://localhost:44310/_framework/blazor.webassembly.js:1:1704)
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at Object.window.Blazor._internal.renderBatch (https://localhost:44310/_framework/blazor.webassembly.js:1:34679)
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at _mono_wasm_invoke_js_unmarshalled (https://localhost:44310/_framework/wasm/dotnet.3.2.0-preview5.20216.1.js:1:166495)
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at wasm_invoke_iiiiii (wasm-function[3166]:0x9d336)
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at icall_trampoline_dispatch (wasm-function[5782]:0x1006fa)
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at mono_wasm_interp_to_native_trampoline (wasm-function[4612]:0xcc80e)
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at ves_pinvoke_method (wasm-function[3215]:0x9ed39)
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 Microsoft.JSInterop.JSException: Cannot read property 'parentNode' of undefined
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 TypeError: Cannot read property 'parentNode' of undefined
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at Object.e [as removeLogicalChild] (https://localhost:44310/_framework/blazor.webassembly.js:1:6927)
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at e.applyEdits (https://localhost:44310/_framework/blazor.webassembly.js:1:13641)
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at e.updateComponent (https://localhost:44310/_framework/blazor.webassembly.js:1:12872)
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at Object.t.renderBatch (https://localhost:44310/_framework/blazor.webassembly.js:1:1704)
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at Object.window.Blazor._internal.renderBatch (https://localhost:44310/_framework/blazor.webassembly.js:1:34679)
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at _mono_wasm_invoke_js_unmarshalled (https://localhost:44310/_framework/wasm/dotnet.3.2.0-preview5.20216.1.js:1:166495)
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at wasm_invoke_iiiiii (wasm-function[3166]:0x9d336)
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at icall_trampoline_dispatch (wasm-function[5782]:0x1006fa)
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at mono_wasm_interp_to_native_trampoline (wasm-function[4612]:0xcc80e)
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at ves_pinvoke_method (wasm-function[3215]:0x9ed39)
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at Microsoft.JSInterop.WebAssembly.WebAssemblyJSRuntime.InvokeUnmarshalled[T0,T1,T2,TResult] (System.String identifier, T0 arg0, T1 arg1, T2 arg2) <0x3038030 + 0x00046> in <filename unknown>:0
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at Microsoft.JSInterop.WebAssembly.WebAssemblyJSRuntime.InvokeUnmarshalled[T0,T1,TResult] (System.String identifier, T0 arg0, T1 arg1) <0x3037f50 + 0x00014> in <filename unknown>:0
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at Microsoft.AspNetCore.Components.WebAssembly.Rendering.WebAssemblyRenderer.UpdateDisplayAsync (Microsoft.AspNetCore.Components.RenderTree.RenderBatch& batch) <0x3037e58 + 0x0001e> in <filename unknown>:0
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at Microsoft.AspNetCore.Components.RenderTree.Renderer.ProcessRenderQueue () <0x2de1a68 + 0x000f2> in <filename unknown>:0
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 crit: Microsoft.AspNetCore.Components.WebAssembly.Rendering.WebAssemblyRenderer[100]
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 Unhandled exception rendering component: No element is currently associated with component 96
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 Error: No element is currently associated with component 96
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at e.updateComponent (https://localhost:44310/_framework/blazor.webassembly.js:1:12336)
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at Object.t.renderBatch (https://localhost:44310/_framework/blazor.webassembly.js:1:1704)
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at Object.window.Blazor._internal.renderBatch (https://localhost:44310/_framework/blazor.webassembly.js:1:34679)
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at _mono_wasm_invoke_js_unmarshalled (https://localhost:44310/_framework/wasm/dotnet.3.2.0-preview5.20216.1.js:1:166495)
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at wasm_invoke_iiiiii (wasm-function[3166]:0x9d336)
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at icall_trampoline_dispatch (wasm-function[5782]:0x1006fa)
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at mono_wasm_interp_to_native_trampoline (wasm-function[4612]:0xcc80e)
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at ves_pinvoke_method (wasm-function[3215]:0x9ed39)
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at interp_exec_method (wasm-function[1126]:0x25a67)
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at interp_runtime_invoke (wasm-function[5660]:0xf937a)
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 Microsoft.JSInterop.JSException: No element is currently associated with component 96
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 Error: No element is currently associated with component 96
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at e.updateComponent (https://localhost:44310/_framework/blazor.webassembly.js:1:12336)
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at Object.t.renderBatch (https://localhost:44310/_framework/blazor.webassembly.js:1:1704)
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at Object.window.Blazor._internal.renderBatch (https://localhost:44310/_framework/blazor.webassembly.js:1:34679)
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at _mono_wasm_invoke_js_unmarshalled (https://localhost:44310/_framework/wasm/dotnet.3.2.0-preview5.20216.1.js:1:166495)
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at wasm_invoke_iiiiii (wasm-function[3166]:0x9d336)
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at icall_trampoline_dispatch (wasm-function[5782]:0x1006fa)
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at mono_wasm_interp_to_native_trampoline (wasm-function[4612]:0xcc80e)
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at ves_pinvoke_method (wasm-function[3215]:0x9ed39)
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at interp_exec_method (wasm-function[1126]:0x25a67)
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at interp_runtime_invoke (wasm-function[5660]:0xf937a)
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at Microsoft.JSInterop.WebAssembly.WebAssemblyJSRuntime.InvokeUnmarshalled[T0,T1,T2,TResult] (System.String identifier, T0 arg0, T1 arg1, T2 arg2) <0x3038030 + 0x00046> in <filename unknown>:0
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at Microsoft.JSInterop.WebAssembly.WebAssemblyJSRuntime.InvokeUnmarshalled[T0,T1,TResult] (System.String identifier, T0 arg0, T1 arg1) <0x3037f50 + 0x00014> in <filename unknown>:0
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at Microsoft.AspNetCore.Components.WebAssembly.Rendering.WebAssemblyRenderer.UpdateDisplayAsync (Microsoft.AspNetCore.Components.RenderTree.RenderBatch& batch) <0x3037e58 + 0x0001e> in <filename unknown>:0
p.printErr @ blazor.webassembly.js:1
blazor.webassembly.js:1 at Microsoft.AspNetCore.Components.RenderTree.Renderer.ProcessRenderQueue () <0x2de1a68 + 0x000f2> in <filename unknown>:0

The test control is a simplified version of a more complex control i was trying to create (mutlicolumn combobox)

If I instead use the telerikdropdown in editortemplate everything works ok

Completed

Last Updated: 08 Sep 2021 14:14 by ADMIN

Release 2.27.0

Add Carousel (scrollview, rotator) Component

Created by: Gary

Comments: 0

Category: UI for Blazor

Type: Feature Request

Add Carousel (scrollview, rotator) Component

Please add a "native" Carousel component for the Telerik UI for Blazor solution.

Currently, to implement a Carousel option in a Blazor application using Telerik components, you may need to leverage the Kendo UI widgets based on jQuery that rely on direct DOM manipulation. In a Blazor application, the software engineer should rely on Blazor to manipulate the DOM, instead of direct DOM manipulation required with tools such as jQuery.

Overlapping Telerik products in the same web application, such as Kendo UI and UI for Blazor, can create issues if releases are out of alignment between the solutions, use of CSS files, and other areas of complication.

Please consider adding a Carousel component as it offers a great experience for marketing to customers, business or consumer, on the home page of any website.

Duplicated

Last Updated: 07 Jul 2020 16:06 by ADMIN

Create a toggle switch for Blazor UI

Created by: Darryl

Comments: 3

Category: UI for Blazor

Type: Feature Request

Create a toggle switch for Blazor UI

It would be nice to have a toggle switch available in the UI for Blazor components. The component could support true/false and have customized text for each value.

Completed

Last Updated: 14 May 2020 16:19 by ADMIN

Create a chips component for Blazor UI

Created by: Darryl

Comments: 1

Category: UI for Blazor

Type: Feature Request

Create a chips component for Blazor UI

One feature that is missing from the current set of Blazor UI components is a chips control. I'm not sure if it's OK to link to 3rd party controls, but this is a fairly common control that is available on multiple platforms. I can provide some samples if required.

Completed

Last Updated: 11 Mar 2024 06:36 by ADMIN

Release 2024 Q2 (May)

Badge component

Created by: Dennis

Comments: 6

Category: UI for Blazor

Type: Feature Request

Badge component

Similar to the Bootstrap badges https://getbootstrap.com/docs/4.0/components/badge/

Duplicated

Last Updated: 04 May 2020 13:18 by ADMIN

TelerikTreeView item expandability based on read-only model property or controlled outside

Created by: jura

Comments: 1

Category: UI for Blazor

Type: Feature Request

TelerikTreeView item expandability based on read-only model property or controlled outside

Now we can expand/collapsed tree view item using bound read/write model property.

We need to bind read-only property or controll expandability outside of tree view.

Examples:

Expand tree view item when IsActive read-only model property is true
Expand/collapse all tree items with a button click

Thank you

Duplicated

Last Updated: 04 May 2020 13:16 by ADMIN

TelerikWindow hidden under TreeViewItem

Created by: jura

Comments: 1

Category: UI for Blazor

Type: Bug Report

TelerikWindow hidden under TreeViewItem

When a content is displayed in TelerikWindow and a TelerikTreeView`s item is expanded, the item`s content is above the window one due to higher z-index.

To fix it, use this CSS:

/* Telerik window content (with z-index 10001) above their animation container (with z-index 10002, used for example in tree view) */
.k-dialog-wrapper {
z-index: 11000;
}

Completed

Last Updated: 27 Apr 2020 09:42 by ADMIN

Release 2.13.0

Using OnStateInit with SelectedItems throws a null reference when the collection is initialized with Enumerable.Empty

Created by: Toni

Comments: 1

Category: UI for Blazor

Type: Bug Report

Using OnStateInit with SelectedItems throws a null reference when the collection is initialized with Enumerable.Empty

Does not seem to be an issue when the grid state is not used.

Completed

Last Updated: 09 Oct 2023 12:02 by ADMIN

Release 4.6.0 (11 Oct 2023) (R3 2023)

ListBox Control

Created by: Rob

Comments: 3

Category: UI for Blazor

Type: Feature Request

ListBox Control

Is a ListBox control, similar to https://demos.telerik.com/aspnet-core/listbox/index, on the roadmap currently?

---

ADMIN EDIT

You can use a grid that has 1 column for the text you want to show with selection and perhaps even row dragging, and maybe hide its headers with css if you do not want them.

---

Completed

Last Updated: 12 Feb 2025 16:03 by ADMIN

Release 8.0.0

Docking control

Created by: Michael P.

Comments: 12

Category: UI for Blazor

Type: Feature Request

Docking control

Docking Control like WPF Docking Control: https://www.telerik.com/products/wpf/docking.aspx

Completed

Last Updated: 07 Apr 2020 17:46 by ADMIN

Horizontal scrolling in Blazor grid does not respect set column width

Created by: Manuel

Comments: 3

Category: UI for Blazor

Type: Bug Report

Horizontal scrolling in Blazor grid does not respect set column width

According to the doc (https://docs.telerik.com/blazor-ui/components/grid/columns/width),

"When all column widths are explicitly set and the cumulative column width is greater than the available Grid width, a horizontal scrollbar appears and all set column widths are respected."

I have a grid with a width of 1500px and a cumulative column width of 1750 pixels:

<TelerikGrid Data="@datos"
Class="ns-grid-fitxatges"
PageSize="10"
Pageable="true"
Sortable="true"
Width="1500px"
Height="60vh">
<GridColumns>
<GridColumn Field="@nameof(LlistaFitxatgesDto.CodiInternActivitat)" Title="Codi Intern" Width="150px" />
<GridColumn Field="@nameof(LlistaFitxatgesDto.CodiExternActivitat)" Title="Codi Extern" Width="250px" />
<GridColumn Field="@nameof(LlistaFitxatgesDto.Activitat)" Width="300px" />
<GridColumn Field="@nameof(LlistaFitxatgesDto.HoraFitxatge)" Title="@Loc["Fitxatge"]" Width="150px">
<Template>
@{
var hora = (context as LlistaFitxatgesDto).HoraFitxatge.DateTime;
<span>@hora.ToString("dd/MM/yyyy HH:mm:ss")</span>
}
</Template>
</GridColumn>
<GridColumn Field="@nameof(LlistaFitxatgesDto.Sessio)" Title="@Loc["Sessió"]" Width="180px" />
<GridColumn Field="@nameof(LlistaFitxatgesDto.Sentit)" Title="@Loc["Sentit"]" Width="80px" />
<GridColumn Field="@nameof(LlistaFitxatgesDto.TipusDocument)" Title="@Loc["DOC"]" Width="70px" />
<GridColumn Field="@nameof(LlistaFitxatgesDto.DocParticipant)" Title="@Loc["Document"]" Width="90px" />
<GridColumn Field="@nameof(LlistaFitxatgesDto.Nom)" Title="@Loc["Nom"]" Width="90px" />
<GridColumn Field="@nameof(LlistaFitxatgesDto.Cognom1)" Title="@Loc["Cognom1"]" Width="90px" />
<GridColumn Field="@nameof(LlistaFitxatgesDto.Cognom2)" Title="@Loc["Cognom2"]" Width="90px" />
<GridColumn Field="@nameof(LlistaFitxatgesDto.Metode)" Title="@Loc["Metode"]" Width="80px" />
<GridColumn Field="@nameof(LlistaFitxatgesDto.RutaXml)" Title="XML" Width="60px">
<Template>
@{
var ruta = (context as LlistaFitxatgesDto).RutaXml;
<a href="@ruta">XML</a>
}
</Template>
</GridColumn>
<GridColumn Field="@nameof(LlistaFitxatgesDto.Terminal)" Title="Terminal" Width="70px" />
</GridColumns>
</TelerikGrid>

The horizontal scroll bar appears all right, but the column widths are not respected. As shown in the image, the columns on the right are squeezed

Any clues?

Thanks in advance

Completed

Last Updated: 01 May 2020 08:03 by ADMIN

I'm getting an error - not always, but sometimes

Created by: Boštjan

Comments: 4

Category: UI for Blazor

Type: Bug Report

I'm getting an error - not always, but sometimes

Completed

Last Updated: 27 Jan 2022 11:18 by improwise

Release 3.0.0

FileSelect component

Created by: Sten

Comments: 8

Category: UI for Blazor

Type: Feature Request

FileSelect component

I would like to submit a wish for the FileUpload component in Blazor; to be able to simply get the file as a byte array without needing to provide an API. I would simply like to be able to decide inside the component what I would like to do with the file as a byte array, just simple and convenient.

Thanks and best regards,

Sten

Duplicated

Last Updated: 06 Apr 2020 16:03 by ADMIN

Crash when filtering TreeView

Created by: Simon

Comments: 1

Category: UI for Blazor

Type: Bug Report

Crash when filtering TreeView

Using your tree view live sample, filter the list with "1", then try to expand "Test1" - crash.

I would expect "Test1" to apprear in the list but without the expandable icon or the expandable icon does nothing when clicked

Unplanned

Last Updated: 12 Jan 2024 10:54 by ADMIN

The Ribbon Control for Blazor

Created by: Paul Shearing

Comments: 4

Category: UI for Blazor

Type: Feature Request

The Ribbon Control for Blazor

The Ribbon Control (UI for ASP.NET AJAX) is totally superb.

Implementing this for Blazor would be a killer component.

Please!

Completed

Last Updated: 09 Sep 2021 08:34 by ADMIN

Release 2.27.0

Breadcrumb component

Created by: SL

Comments: 1

Category: UI for Blazor

Type: Feature Request

Breadcrumb component

Like the one in Kendo https://demos.telerik.com/kendo-ui/breadcrumb/index

With the ability to hook to the URL and URL change like this https://docs.telerik.com/kendo-ui/controls/navigation/breadcrumb/navigation

Completed

Last Updated: 15 Sep 2022 17:08 by Doug

Release 2.27.0

barcode / qr codes for blazor

Created by: Brian

Comments: 5

Category: UI for Blazor

Type: Feature Request

barcode / qr codes for blazor

Hi I need to do barcode / QR code (mostly QR code) in Blazor. It is not on the roadmap, so I don't expect it anytime in the next 6 months. Great support for QR code in Asp.Net Core UI, but I don't think they mix, and I'm writing in pure Blazor. Suggestions?

Duplicated

Last Updated: 22 Nov 2022 19:31 by ADMIN

image component

Created by: Ben Hayat

Comments: 3

Category: UI for Blazor

Type: Feature Request

image component

I'd like to request a native Blazor Image Component that allows to provide different parameters to control the image.

This could also help to connect it to the upload component, for user to see the image while still in browser and make some changes, i.e resizing, cropping, Black/White, before sending it to server to be stored.

Thanks!
..Ben

Completed

Last Updated: 18 Jun 2020 12:04 by ADMIN

Release 2.15.0

Grid loads empty wrong page if all items are deleted

Created by: Michael

Comments: 2

Category: UI for Blazor

Type: Bug Report

Grid loads empty wrong page if all items are deleted

It seems that when all items on a grid page are deleted, the page number is decremented but the data for that page is not loaded or displayed.

Duplicated

Last Updated: 22 Mar 2020 08:23 by ADMIN

Controls Are Not Holding Their Values @ 2.9.0

Created by: Uluç

Comments: 4

Category: UI for Blazor

Type: Bug Report

Controls Are Not Holding Their Values @ 2.9.0

Hello,

I have updated Blazor UI to the latest version (2.9.0) and some of my controls lost their state.

Let me explain:

I have a page with 4 tabs (TelerikTabStrip), if i choose the value of a dropdown (TelerikDropDown) in the first tab and move to the second tab and then come back to the first tab, the value would be lost and the dropdown is empty however, if i put a breakpoint and look at the model, it shows that the value is still preserved.

Is there something i am missing? is this an update gone wrong (on my side)?

I have downgraded back to 2.8.0 and it works as expected.

Thanks.