ejQuery filter remote

var dateCriteriaChange = function (startDate, endDate) {
                var dataManager = ej.DataManager({ url: "/LoanApplicationQuery/List", adaptor: new ej.UrlAdaptor() });

                var rangeQuery = ej.Query()
                    .where("ProviderId", ej.FilterOperators.equal, 62)
                    .where("FundingDate", ej.FilterOperators.greaterThanOrEqual, startDate)
                    .where("FundingDate", ej.FilterOperators.lessThan, endDate);

                $("#grid").ejGrid({
                    dataSource: dataManager,
                    query: rangeQuery,
                    allowResizing: true,
                    allowPaging: true,
                    allowSorting: true,
                    allowReordering: true,
                    allowSelection: false,
                    enablePersistence: false,
                    allowTextWrap: true,
                    pageSettings: { pageSize: 10, pageCount: 10 },
                    sortSettings: { sortedColumns: [{ field: "FundingDate", direction: "descending" }] },
                    toolbarSettings: { showToolbar: true, toolbarItems: [ej.Grid.ToolBarItems.ExcelExport] },
                    columns: [
                        { field: "LoanTransactionNumber", type: "string", headerText: "Loan Number" },
                        { field: "FundingDate", type: "date", format: "{0:MM/dd/yyyy}", headerText: "Funding Date" },
                        { field: "Office", type: "string", headerText: "Location" },
                        { field: "FirstName", type: "string", headerText: "First Name" },
                        { field: "LastName", type: "string", headerText: "Last Name" },
                        { field: "SaleAmount", type: "number", format: "{0:c}", headerText: "Amount Financed", textAlign: "right" },
                        { field: "MDF", type: "number", format: "{0:p}", headerText: "Discount Rate", textAlign: "right" },
                        { field: "DiscountFee", type: "number", format: "{0:c}", headerText: "Discount Amount", textAlign: "right" },
                        { field: "NetFunded", type: "number", format: "{0:c}", headerText: "Net Funded Amount", textAlign: "right" }
                    ],
                    toolbarClick: function (e) {
                        this.exportGrid = this["export"];
                        if (e.itemName == "Excel Export") {
                            this.exportGrid('/LoanApplicationQuery/Export')
                            e.cancel = true;
                        }
                    }
                });
            };