title: kendo grid error with sorting
body: <p>I have the next </p>
  
  <pre><code>@(Html.Kendo().Grid&lt;Corporativo.Model.SolicitudProductoVM&gt;()
                      .Name("SolicitudesProducto")
                      .Columns(columns =&gt;
                      {
                          columns.Bound(e =&gt; e.Consecutivo).Width(20).Title("CÓDIGO");
                          columns.Bound(e =&gt; e.Desc_Cliente).Width(80).Groupable(false).Title("CLIENTE");
                          columns.Bound(e =&gt; e.Fecha).Width(40).Groupable(false).Title("FECHA");
                          columns.Bound(e =&gt; e.Imp_Total).Width(40).Groupable(false).Title("IMP. TOTAL");
                      })                    
                      .Filterable()
                      .Pageable()
                      .Scrollable()
                      .DataSource(dataSource =&gt; dataSource
                          .Ajax()                        
                          .Read(read =&gt; read.Action("GetAllSolicitudesJSON", "CrmProductRequest", null))
                      )
                  )
  </code></pre>
  
  <p>with the next error...</p>
  
  <p>Cannot find a public property of primitive type to sort by.</p>
  
  <p>Ideas??? </p>