[Fact]
    public void WebGridCustomHtmlAttributeIsSpecified()
    {
        var grid = new WebGrid(GetContext(), ajaxUpdateContainerId: "grid")
            .Bind(new[]
            {
                new { P1 = 1, P2 = '2', P3 = "3" },
                new { P1 = 4, P2 = '5', P3 = "6" }
            });
        var html = grid.GetHtml(htmlAttributes: new {data_attribute = "value"});
        string _html = html.ToHtmlString();
        Assert.Contains("data-attribute", _html);
    }