FlexGridFilter - C1 ASP.NET MVC

// This file locates: "Scripts/Lesson/C1FlexGrid/FlexGridFilter.js".
c1.documentReady(function () {
    var theGrid = wijmo.Control.getControl('#theGrid');
    var filter = new wijmo.grid.filter.FlexGridFilter(theGrid);
});

using System.Web.Mvc;
 
namespace LearnMvcClient.Controllers
{
    public partial class C1FlexGridController : Controller
    {
        // GET: FlexGridFilter
        public ActionResult FlexGridFilter()
        {
            return View(Models.FlexGridData.GetSales(200));
        }
    }
}

@model IEnumerable<FlexGridData.Sale>
 
<h1>
    @Html.Raw(Resources.C1FlexGrid.FlexGridFilter_Title)
</h1>
<p>
    @Html.Raw(Resources.C1FlexGrid.FlexGridFilter_Text1)
</p>
<p>
    @Html.Raw(Resources.C1FlexGrid.FlexGridFilter_Text2)
</p>
@Html.C1().FlexGrid().Id("theGrid").Bind(b=>b.Bind(Model).DisableServerRead(true)).Height(250)