Please consider adding support for an optional header row indicator that can display a conditional icon + themed tooltip, used to show non-field-level validation or status messages — especially during inline or in-cell editing, and ideally in batch edit scenarios.

Why This Is Needed

In enterprise applications — especially those with batch entry workflows, cutover planning, or financial approvals — validation needs often extend beyond just field-level errors. Common use cases include:

• Rule-level messages (e.g., “Only one Primary Owner allowed per group”).
• Cross-row or cross-field issues (e.g., overlapping dates, missing dependencies).
• Batch edit feedback (e.g., conflict indicators before submit).

Currently, there’s no clean way to show column-specific validation or guidance in a visual, inline way that:

• Doesn’t clutter the cell.
• Surfaces at the column level (just like a header).
• Feels native to the grid.

Please consider altering or providing configuration for how DateTime values are formatted in filter expressions generated by ToDataSourceRequest(). Currently, the format includes full precision (e.g., 2025-04-04T00:00:00.0000000), which causes issues when passed to Entity Framework Core with SQL Server, as SQL Server expects precision up to milliseconds (.fff), not ticks (.fffffff).

Why This Is a Problem

• When passing filter expressions from ToDataSourceRequest() directly into a LINQ-to-EF query, the resulting SQL query fails if the DateTime string has 0000000 (7 digits of precision).
• SQL Server’s datetime and datetime2 types don’t support nanosecond-level precision.
• EF Core attempts to translate it, but fails with SQL conversion errors

Please add a ToolbarTitle property to grid components, with an optional ToolbarTitleTooltip or ToolbarTitleAdornmentTemplate. This would allow developers to display a title with optional help text directly in the toolbar — giving users immediate context on the data being displayed.

Why This Is Valuable

In enterprise apps — particularly in areas like dashboards, scheduling, and ERP grids — users are often viewing:

• Similar grids across multiple tabs or modules
• Role-specific data views (e.g., “My Open Tasks”, “Org View Only”)
• Filtered subsets or critical cutover lists

Providing a toolbar-level title with a subtle help icon improves discoverability and reduces confusion — especially when filters or dynamic data shaping is in play.

Please add a built-in way to define a list of predefined filters (filter presets) within the ToolbarTemplate of a grid. This would allow users to quickly select a filter configuration, which is then automatically applied to the grid’s DataSourceRequest.

Why This Is InvaluablE

In enterprise apps with dense, multi-column grids, users often need to:

• Filter to common scenarios (e.g., “My Tasks”, “Due This Week”, “Unassigned Only”).
• Avoid re-entering the same filters repeatedly.
• See role- or context-based presets applied consistently

Currently, implementing this requires custom filter logic, state management, and manual data reloading — even though the concept is straightforward from a user’s perspective.

Please add support for a right-side filter panel (sidebar) that dynamically renders filter controls based on the grid’s visible columns and their editor templates. The panel would allow users to apply multiple filters at once, similar to SharePoint’s column filter experience — in a tall, narrow layout with an “Apply Filters” button.

Why This Matters

While column-level filters are useful, in real-world business apps:

• Users often want to set multiple filters at once without interacting with tiny filter icons.
• They need to see all available filters in one place — especially in cutover task lists, audit views, or reporting grids.
• This UI pattern is familiar from tools like SharePoint, Power BI, and Microsoft Lists.

After filtering a nullable int column, the SelectAll checkbox in the GridCheckboxColumn stops working.

Reproduction example: https://blazorrepl.telerik.com/mTuyHaYM44sLH2yf05

I would like to add some custom actions into the popup window. I know I can implement a custom edit popup with an entirely custom content and actions. However, this requires a lot of custom work to just add one additional action in the popup. Please provide an easier option to add custom actions in the edit window.

Since verion 9, the new styling is doing something strange.

The issue is also observable on the Tererik demo site (as well as our published applications) but I have noticed its on webassembly more-so than server apps;

https://demos.telerik.com/blazor-ui/grid/adaptive

If I run the demo site, the new pagination style (where you can type the page you want to navigate to) will flash up for a second, then it will go back to the old style after a second or 2.

Would anyone know why this is happening?

If the GridScrollMode.Virtual is enabled for the Grid, and the NoDataTemplate exceeds the height of the Grid container, a user can infinitely scroll inside the table even when there is no data and the template is displaying.

===ADMIN EDIT===

A possible workaround is to apply "overflow-y: hidden;" when the NoDataTemplate is shown: REPL link.

I want to change the default Grid loading animation to a pulsing loader indicator.

Super low priority and super nit picky ... The command buttons on the Blazor Grid have extra space after the icon if you leave the name blank. Either remove the space or center the icon when no name is entered.

Dear Telerik,

i have a TelerikGrid with a TelerikGridColumn bound to a Decimal field.

The property  Editable="true" is set.

I can edit the number , but only 1 number at te time.
If I type one number, the edit-cell is closed immediately.

If I want to input the number 1000 , I habe to click the cell 4 times for each number . I cannot type 1000 in one action.

The problem does not occur with a String column.

Regards,

Gert

Hello,

I'm trying the grid component and I'm able to add a row to the grid using the embbed editor. But I wanted to add an item externally to the list:

<button @onclick="@MyClick">Add item</button>

void MyClick()
{
    MyData.Add(new SampleData() { ID = 46, Name = "from click" });
    StateHasChanged();
}

The new line does not appear on the grid but if I add a second item through the embbed editor then I get the 2 items!

I also try to replace the List<MyData> by an ObservableCollection<MyData> unsuccessfully.

Thanks & regards,

Here is how this page looks on mac, multiple browsers: https://demos.telerik.com/blazor-ui/grid/grouping

Notice that the columns are misaligned.  I believe this is because the scrollbar isn't rendered on a mac if it is "disabled" (there is nothing to scroll). 

Probably the best solution would be for it to render like this on all browsers, but have the columns line up (get rid of the spacer in the end of the header row) as the 'empty' scrollbar is not attractive :)

Telerik Blazor version 1.5.0 Trial

Steps to reproduce:

1. Open a page with a grid in incell edit mode, e.g. https://demos.telerik.com/blazor-ui/grid/editing-incell
2. Put the cursor in the Name field of the first row and edit the just the Name field, do not click out of the cell or cause it to lose focus, do not edit any other cells first
3. Press the Add button
4. The grid will update the dataset and the edit you made is shown in the grid
5. Press the Add button
6. Enter the all of the data for the row, but do not press the row's 'Update' button
7. Press the Add button again
8. The new data you added is lost

This behaviour is inconsistent as the user is required to press the Update button to save a new row, but not to save changes for an existing row.  Can the grid be made to retain the new row when the Add button is pressed (or can we have that option)?

I think the base issue here is that the new row isn't added automatically when the cell/row loses focus.  The same issue therefore occurs if you press one of the page buttons at the bottom of the grid at step 3 instead.

Hi,

I cant see what it is that's causing this error. evertime i run my app, i get the follwoing error below:

An unhandled exception occurred while processing the request.

Microsoft.AspNetCore.Components.Reflection.ComponentProperties.ThrowForUnknownIncomingParameterName(Type targetType, string parameterName

My Code:

@page "/Table"

@inject IPurchaseOrderRepository purchaseOrderRepository
@using Telerik.Blazor.Components.Grid
    <h3>Table</h3>

<TelerikGrid Data=@auditEventTypeDTOs>
    <TelerikGridColumn Field="AuditEventName">

    </TelerikGridColumn>
</TelerikGrid>


@code{



    public IEnumerable<AuditEventTypeDTO> auditEventTypeDTOs { get; set; }

    protected override async Task OnInitializedAsync()
    {
        auditEventTypeDTOs = await purchaseOrderRepository.GetAllAuditEventTypes();
    }

}

The IEnumerable object 'auditEventTypeDTOs' is getting the data from the repository and i've made sure that i don't have any component with the same name within Telerik.blazor namespace.

Do let me know if you need me me to supply more information.

many thanks in advance

George.