easyui 在datagrid 中的 combox reload方法要如何使用

easyui 在datagrid 中的 combox reload方法要怎么使用?
本帖最后由 zly22169846 于 2014-06-02 10:24:29 编辑

 <th data-options="field:'fShipCom',width:100,align:'center',
                                    formatter:function(value,row){
                                        return row.fShipCom;
                                    },
                                    editor:{
                                        type:'combobox',
                                        options:{
                                            valueField:'fShipCom',
                                            textField:'fShipCom',
                                            url:'ShipPlan.ashx?act=getShipCom',
                                              onChange :function(){
                                                var row = $('#dg').datagrid('getSelected');
                                                 var_fShipCom = row.fShipCom;
                                                 //alert(var_fShipCom);
                                               
                                                },
                                            required:true
                                        }
                                    }">船公司</th>

 <th data-options="field:'fShipName',width:100,align:'center',
                                    formatter:function(value,row){
                                        return row.fShipName;
                                    },