ASP.net Core Awesome Controls overview

<h2>Grid bound to parent controls for filtering</h2>
<div class="bar">
    @Html.Awe().TextBox(new TextBoxOpt { Name = "txtPerson", Placeholder = "search for person ...", CssClass = "searchtxt", ClearBtn = true })
    @Html.Awe().TextBox(new TextBoxOpt { Name = "txtDish", Placeholder = "search for dish ...", CssClass = "searchtxt", ClearBtn = true })
    @(Html.Awe().DropdownList(new DropdownListOpt
{
    Name = "selCountry",
    Url = Url.Action("GetCountries", "Data"),
    ClearBtn = true
}))
</div>

@(Html.Awex().Grid<Lunch>("mainGrid1")
    .Main()
    .Columns(b => 
    {
        b.Add(o => o.Id).Width(75);
        b.Add(o => o.Person);
        b.Add(o => o.Dish.Name, new Column { ClientFormatFunc = "site.imgDish", MinWidth = 200 });
        b.Add(o => o.Country.Name);
        b.Add(o => o.Date).Grow(.1);
        b.Add(o => o.Location);
        b.Add(o => new {o.Chef.FirstName, o.Chef.LastName});
    })
    .Url(Url.Action("GetItems", "LunchGrid"))
    .Height(330)
    .Persistence(Persistence.Session)
    .Parent("txtPerson", "person")
    .Parent("txtDish", "dish")
    .Parent("selCountry", "country"))

public IActionResult GetItems(GridParams g, int? country, string person, string dish)
{
    var query = Db.Lunches.AsQueryable();

    var gmb = new GridModelBuilder<Lunch>(query.AsQueryable(), g);

    gmb.KeyProp = o => o.Id;

    // for when using parent controls filters
    gmb.FilterContainsStr(o => o.Person, person)
       .FilterContainsStr(o => o.Dish.Name, dish)
       .FilterEq(o => o.Country.Id, country);

    // props used in site.imgDish js function
    gmb.Prop(o => o.Dish.Pic, "DishPic");
    gmb.Prop(o => o.Dish.Name, "DishName");

    // used by some demos (GridFrozenColumns)`
    gmb.Prop(o => o.Organic, render: o => o ? "Yes" : "No");

    return this.AweJson(gmb.Build());
}