<TelerikGrid @ref="@GridRef"
             Data="@GridData"
             EditMode="@GridEditMode.Incell"
             Navigable="true"
             OnUpdate="@OnGridUpdate">
    <GridColumns>
        <GridColumn Field="@nameof(Product.Name)" Title="Product Name">
            <EditorTemplate>
                @{ var item = (Product)context; }
                <div @onkeyup="@( (KeyboardEventArgs args) => OnKeyUp(args, item) )">
                    <TelerikTextArea @bind-Value="@( item.Name )" />
                </div>
            </EditorTemplate>
        </GridColumn>
        <GridColumn Field="@nameof(Product.Stock)" Title="Units In Stock" />
    </GridColumns>
</TelerikGrid>

@code {
    private TelerikGrid<Product> GridRef { get; set; }
    private List<Product> GridData { get; set; }

    private async Task OnKeyUp(KeyboardEventArgs args, Product item)
    {
        if (args.Key == "Enter")
        {
            item.Name = item.Name.Substring(0, item.Name.Length - 1);
            OnGridUpdate(new GridCommandEventArgs() { Field = "Name", IsCancelled = false, Item = item });

            var state = GridRef.GetState();

            var currentItemIndex = GridData.FindIndex(x => x.Id == item.Id);

            if (GridData.Count > currentItemIndex + 1)
            {
                var nextItem = GridData[currentItemIndex + 1];

                state.OriginalEditItem = nextItem;
                state.EditItem = new Product() { Id = nextItem.Id, Name = nextItem.Name, Stock = nextItem.Stock };
                state.EditField = "Name";
            }
            else
            {
                state.OriginalEditItem = null;
                state.EditItem = null;
                state.EditField = null;
            }

            await GridRef.SetState(state);
        }
    }

    private void OnGridUpdate(GridCommandEventArgs args)
    {
        var argsItem = args.Item as Product;
        var index = GridData.FindIndex(i => i.Id == argsItem.Id);
        if (index != -1)
        {
            GridData[index] = argsItem;
        }
    }

    protected override void OnInitialized()
    {
        GridData = new List<Product>();

        for (int i = 1; i <= 5; i++)
        {
            GridData.Add(new Product()
            {
                Id = i,
                Name = "Product " + i,
                Stock = 5
            });
        }
    }

    public class Product
    {
        public int Id { get; set; }
        public string Name { get; set; }
        public short Stock { get; set; }
    }
}

        <TreeListColumn Field="EmailAddress" Width="220px">
            <EditorTemplate>
                @{
                    CurrentlyEditedEmployee = context as Employee;
                    <div @onkeydown:stopPropagation="true">
                        <TelerikTextArea @bind-Value="@CurrentlyEditedEmployee.EmailAddress"></TelerikTextArea>
                    </div>
                }
            </EditorTemplate>
        </TreeListColumn>