title: "Uncaught TypeError: e.slice is not a function" while passing json data to view in "orchard"
body: <pre><code>public ActionResult Grouping()
          {
              return View();
          }
  
  public ActionResult Read([DataSourceRequest] DataSourceRequest request, string text)
          {
  
  
              var result = _auto.Table.ToList().Where(s =&gt; s.Charactres.Contains(text));
  
              return Json(result.ToDataSourceResult(request), JsonRequestBehavior.AllowGet);
  
  
          }
  
  view code:`enter code here`
  
  
  
  
  @model IEnumerable&lt;Autocomplete.Models.Autocomplete&gt;
  @{
      ViewBag.Title = "Grouping";
  }
  
  &lt;h2&gt;Grouping&lt;/h2&gt;
  &lt;script src="//ajax.googleapis.com/ajax/libs/jquery/1.7/jquery.min.js"&gt;&lt;/script&gt;
  &lt;script src="~/Modules/Autocomplete/Scripts/kendo/2014.3.1119/jquery.min.js"&gt;&lt;/script&gt;
  &lt;script src="~/Modules/Autocomplete/Scripts/kendo/2014.3.1119/kendo.all.min.js"&gt;&lt;/script&gt;
  &lt;script src="~/Modules/Autocomplete/Scripts/kendo/2014.3.1119/kendo.aspnetmvc.min.js"&gt;&lt;/script&gt;
  &lt;link href="~/Modules/Autocomplete/Content/kendo/2014.3.1119/kendo.common.min.css" rel="stylesheet" type="text/css" /&gt;
  &lt;link href="~/Modules/Autocomplete/Content/kendo/2014.3.1119/kendo.default.min.css" rel="stylesheet" type="text/css" /&gt;
  &lt;link href="~/Modules/Autocomplete/Content/kendo/2014.3.1119/kendo.dataviz.min.css" rel="stylesheet" type="text/css" /&gt;
  &lt;link href="~/Modules/Autocomplete/Content/kendo/2014.3.1119/kendo.mobile.all.min.css" rel="stylesheet" type="text/css" /&gt;
  &lt;link href="~/Modules/Autocomplete/Content/kendo/2014.3.1119/kendo.dataviz.default.min.css" rel="stylesheet" type="text/css" /&gt;
  &lt;div class="demo-section"&gt;
      &lt;h4&gt;Customers&lt;/h4&gt;
  
      @(Html.Kendo().AutoComplete()
                .Name("data")
                .DataTextField("ContactName")
                .Filter("contains")
                .MinLength(3)
                .HtmlAttributes(new { style = "width:250px" })
                .Placeholder("Type a customer name")
                .DataSource(source =&gt; source
                    .Custom()
                    //.Group(g =&gt; g.Add("Country", typeof(string)))
                    .Transport(transport =&gt; transport
                      .Read(read =&gt;
                      {
                          read.Action("Read", "AutoComplete")
                              .Data("onAdditionalData");
                      }))
                  .ServerFiltering(true))
      )
  &lt;/div&gt;
  &lt;script&gt;
      function onAdditionalData() {
          return {
              text: $("#data").val()
          };
      }
  &lt;/script&gt;
  </code></pre>