contoh dev express dengan ajax

var dataSource = new DevExpress.data.CustomStore({
                key: "ID",
                load: function (loadOptions) {
                    var deferred = $.Deferred(),
                        args = {};

                    if (loadOptions.sort) {
                        args.orderby = loadOptions.sort[0].selector;
                        if (loadOptions.sort[0].desc)
                            args.orderby += " desc";
                    }

                    args.skip = loadOptions.skip || 0;
                    args.take = loadOptions.take || 12;

                    $.ajax({
                        url: "{{ url("api/get/Ms_Country") }}",
                        data: args,
                        success: function(response) {
                            console.log(response);
                            deferred.resolve(response.data, { totalCount: response.totalCount });
                        },
                        error: function() {
                            deferred.reject("Data Loading Error");
                        },
                        timeout: 5000
                    });

                    return deferred.promise();
                },
                insert :  function(values){
                    return $.ajax({
                        url : "{{ url("api/store/Ms_Country") }}",
                        method : 'POST',
                        data : values
                    });
                },
                remove : function(key) {
                    return $.ajax({
                        url: "{{ url("api/destroy/Ms_Country/") }}" + encodeURIComponent(key),
                        method: "DELETE",
                    })
                },
                update : function(key, values) {
                    console.log(key);
                    console.log(values);
                    return $.ajax({
                        url: "{{ url("api/update/Ms_Country/") }}" + encodeURIComponent(key),
                        method: "POST",
                        data: values
                    })
                }
            });