Grid sorting

@model AweCoreDemo.ViewModels.Input.GridDemoSortingCfgInput

@(Html.Awe().Grid("SortingGrid")
    .Columns(
        new Column{Bind = "Id", Width = 75}, 
        new Column{Bind = "Person", Sortable = Model.PersonSortable, SortRank = Model.PersonRank, Sort = Model.PersonSort}, 
        new Column{Bind = "Food.Name", Sortable = Model.FoodSortable, SortRank = Model.FoodRank, Sort = Model.FoodSort}, 
        new Column{Bind = "Date", Width = 150}, new Column{Bind = "Price", Width = 80, ClientFormat = ".(Price)£"}, 
        new Column{Bind = "Location"})
    .Height(350)
    .SingleColumnSort(Model.SingleColumnSort)
    .Sortable(Model.Sortable)
    .Url(Url.Action("GetItems","LunchGrid")))

public class LunchGridController : Controller
{
    public IActionResult GetItems(GridParams g, int? country, string person, string food)
    {            
        var query = Db.Lunches.AsQueryable();

        // filtering
        if (person != null) query = query.Where(o => o.Person.ToLower().Contains(person.ToLower()));
        if (food != null) query = query.Where(o => o.Food.Name.ToLower().Contains(food.ToLower()));
        if (country.HasValue) query = query.Where(o => o.Country.Id == country);

        // data can be from any source as long here you pass an IQueryable<T>
        var gmb = new GridModelBuilder<Lunch>(query.AsQueryable(), g);

        // define grid key, used to identify rows
        gmb.KeyProp = o => o.Id;

        // grid row model
        // columns bound to Prop1.Prop2 will automatically display Prop1Prop2,
        // or you could specify in the view Column.Prop ="Prop1Prop2", or ClientFormat = ".(Prop1Prop2)"
        gmb.Map = o => new
        {
            o.Id,
            o.Person,
            FoodName = o.Food.Name,
            FoodPic = o.Food.Pic,
            o.Location,
            o.Price,
            Date = o.Date.ToShortDateString(),
            CountryName = o.Country.Name,
            ChefName = o.Chef.FullName
        };

        return Json(gmb.Build());
    }

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

        // Filter - custom extension in demo code
        // equivalent to .Where(o => o.Food.Name.Contains(food) || ...)

        query = query
            .Filter(food, o => o.Food.Name)
            .Filter(person, o => o.Person);

        if (country.HasValue) query = query.Where(o => o.Country.Id == country);

        var gmb = new GridModelBuilder<Lunch>(query, g);
        gmb.KeyProp = o => o.Id;
        gmb.Map = o => new
        {
            o.Id,
            o.Person,
            FoodName = o.Food.Name,
            FoodPic = o.Food.Pic,
            o.Location,
            o.Price,
            Date = o.Date.ToShortDateString(),
            CountryName = o.Country.Name,
            ChefName = o.Chef.FullName
        };

        return Json(gmb.Build());
    }
}