Kendo UI Grid create data not making it to controller - mvvm

Question

I am having difficulty getting data to my controller using the MVVM method as shown in this Kendo Dojo example
I can see in my parameterMap function that the data is in the options.models but when I look for data at the controller, FAC_FuelReceipts is null. I can manually us an ajax call but I want this to work "Out of the Box" first. What am I doing wrong?
Grid:
$("#grid").kendoGrid({
height: 430,
columns: [
{ field: "FuelReceiptID" },
{ field: "ReceiptDate", title: "Receipt Date", width: 110, format: "{0:MM/dd/yyyy}" },
{ field: "FuelType", title: "Fuel Type", width: 110, editor: fuelTypeDropDownEditor },
{ field: "Qty", width: 110 },
{ field: "ReceivedBy", width: 110 }
],
editable: true,
pageable: true,
sortable: true,
filterable: true,
navigatable: true,
toolbar: ["create", "save", "cancel"],
dataSource: viewModel.receipts
});
ViewModel Code:
var viewModel;
$(function () { //On Ready
viewModel = kendo.observable({
receipts: new kendo.data.DataSource({
schema: {
model: {
id: "FuelReceiptID",
fields: {
FuelReceiptID: { editable: false, nullable: true },
ReceiptDate: { type: "date", validation: { required: true } },
FuelType: { type: "string", defaultValue:"Diesel" },
Qty: { type: "number", validation: { required: true } },
ReceivedBy: { type: "string" }
}
}
},
batch:true,
transport: {
read: {
cache:false,
url: "/Fuels/GetFuelReceipts",
dataType: "json"
},
create: {
url: "/Fuels/Create",
dataType: "json",
type: "POST"
},
parameterMap:function(options,operation){
if (operation == "read") {
return{
SiteID: SiteID,
ReceiptMonth: ReceiptMonth,
ReceiptYear: ReceiptYear
}
}
if (operation !== "read" && options.models) {
return { FAC_FuelReceipts: kendo.stringify(options.models) };
}
} //parameterMap fuction
} //transport
})
});
Controller Code:
[HttpPost]
public JsonResult Create(IEnumerable<FAC_FuelReceipts> FAC_FuelReceipts) //**empty here**
{
//Do something with data here
return Json(FAC_FuelReceipts, JsonRequestBehavior.AllowGet);
}

Answer 1

Use String instead of IEnumerable, As your parameter data is in string format.
Once you get data in string format deserialize into your object
[HttpPost]
public JsonResult Create(string FAC_FuelReceipts)
{
IList<FAC_FuelReceipts> Items= new JavaScriptSerializer().Deserialize<IList<FAC_FuelReceipts>>(FAC_FuelReceipts);
/**your code*/
return Json(FAC_FuelReceipts);
}