easyui-datagrid queryParam的使用

               var queryParams = $('#dataFileControl').datagrid('options').queryParams;
	        queryParams.panel_Source=$("#panel_Source").combobox('getValue');
	        queryParams.panel_AreaBank=$("#panel_AreaBank").val();
	        queryParams.file_station=$("#file_station").val();
	        queryParams.panel_reportingPeriod=$("#panel_reportingPeriod").val();
	        queryParams.panel_batchNo=$("#panel_batchNo").val();
	        queryParams.panel_Status=$("#panel_Status").val();
	        $('#dataFileControl').datagrid('options').queryParams=queryParams;
                $("#dataFileControl").datagrid('load');