Как обновить сетку jquery

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<script>
    $(function () {
        $.ajax({
            type: "GET",
            url: "/Test/GetMerchant"
        }).done(function (data) {
                        
            //$("#leftMenu").hide();
            

            var MyDateField = function (config) {
                jsGrid.Field.call(this, config);
            };

            MyDateField.prototype = new jsGrid.Field({
                sorter: function (date1, date2) {

                    return new Date(date1) - new Date(date2);
                },

                itemTemplate: function (value) {
                    //debugger
                    if (value == "")
                        return "";
                    else {

                        var date = new Date(value).toDateString()
                        //var date = new Date(value).toDateString("MM/dd/yyyy")
                        //return new Date(value).toDateString();
                        //return value;

                        var d = new Date(date),
                        month = '' + (d.getMonth() + 1),
                        day = '' + d.getDate(),
                        year = d.getFullYear();

                        if (month.length < 2) month = '0' + month;
                        if (day.length < 2) day = '0' + day;

                        var df = [month, day, year].join('/');
                        date = df;
                        return date;
                    }
                },

                insertTemplate: function (value) {
                    //debugger
                    return this._insertPicker = $("<input>").datepicker({ defaultDate: new Date() });
                },

                editTemplate: function (value) {
                    //debugger
                    return this._editPicker = $("<input>").datepicker({ dateFormat: "MM/dd/yyyy" }).datepicker("setDate", new Date(value));
                },

                insertValue: function () {
                    // debugger
                    if (this._insertPicker.datepicker("getDate") != null)
                        return this._insertPicker.datepicker("getDate");         //.toISOString("MM/dd/yyyy")
                    else
                        return this._insertPicker.datepicker("getDate");

                },

                editValue: function () {
                    //debugger
                    if (this._editPicker.datepicker("getDate") != null) {
                        //.toISOString("MM/dd/yyyy")

                        return this._editPicker.datepicker("getDate");
                    }
                        //return this._editPicker.datepicker("getDate").toISOString();
                    else
                        return this._editPicker.datepicker("getDate");
                }

            });



            jsGrid.fields.myDateField = MyDateField;

            $("#jsGrid").jsGrid({
                height: "50%",
                width: "100%",
                filtering: true,
                editing: true,
                inserting: true,
                sorting: true,
                paging: true,
                autoload: true,
                pageSize: 12,
                pageButtonCount: 5,                
                //pageLoading: true,

                deleteConfirm: "Do you really want to delete the merchandise?",
                controller: db,
                fields: [
                    { type: "control" },
                    {
                        name: "Source", type: "text", width: 120, title: "Vendor"
                    },
                    {
                        name: "Description", type: "text", width: 210,
                        validate: { message: "Description is required!", validator: function (value) { return value != ""; } }
                    },
                    {
                        name: "ModelNumber", type: "text", width: 120, title: "Model#/Item"
                    },
                    { name: "SKU", type: "text", width: 90 },
                    { name: "SKU2", type: "text", width: 90 },
                    { name: "Comments", type: "text", width: 200 },
                    { name: "strReceiveDate", type: "myDateField", width: 80, align: "center", title: "Received" },
                    { name: "Location", type: "select", items: data.loc, valueField: "LocationID", textField: "Description", width: 100 },
                    { name: "Barcode", width: 80 },
                    { name: "BarcodePrinted", type: "checkbox", title: "Barcode Printed", sorting: false },
                    { name: "strLastUpdatedDate", type: "myDateField", width: 80, title: "Last Updated" },
                    { name: "DamageCode", type: "select", items: data.dam, valueField: "CodeID", textField: "CodeValue", title: "Damage" },
                    { name: "strCreatedDate", editable: false, width: 80, title: "Created Date", type: "myDateField" },
                    { name: "strShipDate", type: "myDateField", myCustomProperty: "bar", width: 80, title: "Ship Date" },
                    { name: "strConsumeDate", type: "myDateField", myCustomProperty: "bar", width: 80, title: "Consume Date" },
                    { name: "PendingShipment", type: "checkbox", title: "Pending", sorting: false, width: 60 },
                    { name: "Donated", type: "checkbox", title: "Is Donated", sorting: false, width: 60 },
                    { name: "ReturnRequested", type: "checkbox", title: "Return Requested", sorting: false },
                    { name: "ReturnTo", type: "text", width: 150, title: "Return To" },
                    { name: "Quantity", type: "number", width: 50, title: "Qty" },
                    { name: "GroupName", type: "text", width: 150, title: "Group Name" },
                    { name: "CustomerID", width: 100, title: "Customer ID" },
                ],
            });
        });
    });
</script>

Что я уже пробовал:

я понятия не имею,как обновить сетку здесь внутренняя вставка, обновление и удаление вызова функции, и я показываю в контроллере, но я не понимаю. так что пожалуйста помогите мне это срочно

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