Grid inline editing conditional

<%  var gridId = DinnersGrid2.ClientID;  %>
<%=Page.InitDeletePopupForGrid(gridId, "GridInlineEditDemo") %>

<div class="bar">
    <%=Page.InlineCreateButtonForGrid(gridId, new { DispOrganic = "" }) %>
</div>

<% 
    var isAdmin = false;
 %>
<% DinnersGrid2.Grid<Dinner>()
    .Main()
    .ColumnsSelector(false)
    .InlEdit(new InlEditOpt
    {
        SaveUrl = Page.Url().Action("Save", "GridInlineEditDemo")
    })      
    .Url(Page.Url().Action("GridGetItems", "GridInlineEditDemo"))
    .Height(350)
    .Columns(b =>{
        b.Add(o => o.Id).Width(75).InlId();

        b.Add(o => o.Name).InlString(); 

        b.Add(o => o.Date).Width(170)
            .Mod(o => o.InlineFunc("dateCond")
                .Inline("<input type='hidden' name='Date' value='#Value'/>#Value")
                .Inline(Page.Awe().DatePicker("Date")));

        b.Add(o => new { o.Chef.FirstName, o.Chef.LastName }, new Column { Header = "Chef", MinWidth = 200 })
            .Inl(Page.Awe().Lookup("ChefId").Controller("ChefLookup"), "ChefId");

        b.Add(o => o.Meals.Select(m => m.Name))
            .Header("Meals")
            .MinWidth(200)
            .Grow(2)
            .InlMultiselect(new MultiselectOpt { Name = "MealsIds", Url = Page.Url().Action("GetMealsImg", "Data") }.ImgItem());

        b.Add(o => o.BonusMeal.Name)
            .Header("Bonus Meal")
            .InlDropdownList(new DropdownListOpt { Name = "BonusMealId", Url = Page.Url().Action("GetMealsImg", "Data") }.ImgItem());

        b.Add(o => o.Organic)
            .Width(100)
            .Prop("DispOrganic")
            .Mod(o =>
            {
                if (isAdmin)
                    o.Inline(Page.Awe().Toggle(new ToggleOpt { Name = "Organic" }));
                else
                    o.InlineReadonly(); // readonly, used if you set isAdmin = false
            });

        b.Add(new Column { ClientFormatFunc = "editff", Width = GridUtils.EditBtnWidth });
        b.Add(new Column { ClientFormatFunc = "delff", Width = GridUtils.DeleteBtnWidth });
    }); %>
<awe:Ocon runat="server" ID="DinnersGrid2" />
<script>
    var meals = <%=DemoUtils.Encode(Db.Meals.Select(o => new KeyContent(o.Id, o.Name))) %>;

    function dateCond(o, params) {
        if (o.DateReadOnly) return params[0];
        return params[1];
    }

    function editff(o) {
        return o.Editable === false ? '' : '<%=GridUtils.InlineEditFormat() %>';
    }

    function delff(o) {
        var format = <%=DemoUtils.Encode(Page.InlineDeleteFormatForGrid(gridId)) %>;
        format = format.split(".(Id)").join(o.Id);
        return o.Editable === false ? '' : format;
    }
</script>

using System;
using System.Linq;
using AwesomeWebFormsDemo.Data;
using AwesomeWebFormsDemo.Models;
using AwesomeWebFormsDemo.ViewModels.Input;
using System.Web.Mvc;


using Omu.AwemWebForms.Utils;
using Omu.AwesomeWebForms;

namespace AwesomeWebFormsDemo.Controllers.Demos.Grid
{
    public class GridInlineEditDemoController : Controller
    {
        public ActionResult GridGetItems(GridParams g, string search)
        {
            var gmb = new GridModelBuilder<Dinner>(Db.Dinners.AsQueryable(), g)
            {
                KeyProp = o => o.Id, // needed for api select, update, tree, nesting, EF
            };

            gmb.FilterContainsStr(o => new { o.Name, o.Chef.FirstName, o.Chef.LastName }, search);

            gmb.Prop(o => o.Organic, "DispOrganic", o => o ? "Yes" : "No");

            // props used for inline editing controls values
            gmb.PropVal(o => o.Meals.Select(m => m.Id), "MealsIds");
            gmb.PropVal(o => o.Chef.Id, "ChefId");
            gmb.PropVal(o => o.BonusMeal.Id, "BonusMealId");

            // for conditional demo
            gmb.Prop(o => o.Meals.Count(), "Editable", count => count > 1);
            gmb.Prop(o => o.Date.Year, "DateReadOnly", year => year < 2015);

            // for multi editors demo
            gmb.PropVal(o => o.Name, "Name");
            gmb.PropVal(o => o.Date, "Date", o => o.ToShortDateString());

            gmb.Prop(o => o.Meals.Select(m => m.Name), "Meals");
            gmb.Prop(o => o.BonusMeal.Name, "BonusMeal");

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

        [HttpPost]
        public ActionResult Save(DinnerInput input)
        {
            // custom validation example
            if (ModelState.IsValid && input.Name.Contains("asdf"))
            {
                ModelState.AddModelError("Name", "Name can't contain asdf");
            }

            if (ModelState.IsValid)
            {
                var isCreate = !input.Id.HasValue;

                var ent = isCreate ? new Dinner() :
                    Db.Dinners.FirstOrDefault(o => o.Id == input.Id);

                if (ent == null)
                {
                    throw new Exception("Item doesn't exist anymore, id:" + input.Id);
                }

                ent.Name = input.Name;
                ent.Date = input.Date.Value;
                ent.Chef = Db.Find<Chef>(input.ChefId);

                // ToList req for EF
                ent.Meals = Db.Meals
                    .Where(o => input.MealsIds.Contains(o.Id)).ToList();

                ent.BonusMeal = Db.Find<Meal>(input.BonusMealId);
                ent.Organic = input.Organic ?? false;

                if (isCreate)
                {
                    Db.Add(ent);
                }

                return Json(new { });
            }

            return Json(ModelState.GetErrorsInline());
        }

        public ActionResult Delete(int id)
        {
            var dinner = Db.Find<Dinner>(id);

            return PartialView(new DeleteConfirmInput
            {
                Id = id,
                Type = "dinner",
                Name = dinner.Name
            });
        }

        [HttpPost]
        public ActionResult Delete(DeleteConfirmInput input)
        {
            Db.Remove(Db.Find<Dinner>(input.Id));

            // the PopupForm's success function aweUtils.itemDeleted expects an obj with "Id" property
            return Json(new { input.Id });
        }

        public ActionResult Index()
        {
            return View();
        }

        public ActionResult ConditionalDemo()
        {
            return View();
        }

        public ActionResult MultiEditorsDemo()
        {
            return View();
        }

        public ActionResult ClientSave()
        {
            return View();
        }

        public ActionResult AlwaysEdit()
        {
            return View();
        }
    }
}