AddPost.razor

protected async Task HandleValidSubmit()
{
    var response = await Http.PostAsJsonAsync("api/post", Command);

    if (response.StatusCode == HttpStatusCode.BadRequest)
    {
        var result = await response.Content.ReadFromJsonAsync<CommandResult>();
        CustomValidator?.DisplayErrors(result.Errors);
    }
    else
    {
        NavigationManager.NavigateTo($"/{Command.Slug}");
    }
}