ComboBoxFor returns "Object reference not set to an instance of an object" error

[Babu]

Hi,

I have a Kendo comboboxfor on my view and the datasource comes from my model as an IEnumerable<SelectListItem>.  But running the page crashes with the subject error message.  If I change the CombBoxFor to ComboBox and attach the datasource with the dataSource method, it seem to work.  What is wrong here: 

Here is my View (code is partial):

<li>

  @Html.LabelFor( m => m.FKStatusTypeId )

  @(Html.Kendo()

          .ComboBoxFor( m => m.FKStatusTypeId )

          .BindTo( Model.StatusTypeList)

  )

</li>

and here is my Model (code is partial):

[Display( Name = "Status" )]

public int FKStatusTypeId { get; set; }

 

// use as @Html.DropDownListFor(m => m.FKBillingTypeId, Model.BillingTypeList, "--select--")

//        @Html.ValidationMessageFor(m => m.FKBillingTypeId)

 

[Display( Name = "Zip Code" )]

[Required( ErrorMessage = "Zip Code is required" )]

[ZipCodeOnly( ErrorMessage = "Zip code is not valid" )]

[ValidateZipCode( ErrorMessage = "ZipCode is not valid" )]

public string Zip5 { get; set; }

 

public SelectList ZipCities { get; set; }

 

public IEnumerable<SelectListItem> StatusTypeList

{

   get

   {

     var ctx = new PCDataEFContext();

     var sTypes = ctx.StatusTypes;

     var items = sTypes.Where( st => st.PKId > 0 )

                   .ToList()

                   .Select( st => new SelectListItem

                         {

                           Text = st.Name,

                           Value = st.PKId.ToString()

                         } );

     return items;

   }

}

What am I doing wrong here?

Babu.