ant-design-blazor/components/table/SummaryRow.razor

@namespace AntDesign

@if (IsSummary)
{
    <tr>@ChildContent</tr>
}

@code{

    [CascadingParameter]
    private ITable Table { get; set; }

    [CascadingParameter(Name = "IsInitialize")]
    private bool IsInitialize { get; set; }

    [CascadingParameter(Name = "IsSummary")]
    private bool IsSummary { get; set; }

    [Parameter]
    public RenderFragment ChildContent { get; set; }

    protected override void OnInitialized()
    {
        base.OnInitialized();

        if (IsInitialize)
        {
            Table.AddSummaryRow(this);
        }

    }
}