easyui datagrid

//人员列表
            $('#dg').datagrid({
                url: "/taskUserMgr/selectTable.htm"+param,
                singleSelect:true,
                rownumbers:true,
                columns:[[
                    {field:'ck',checkbox:true},
                    {field:'id',title:'编号',fit:true,fitColumns:true,'50',hidden:true},
                    {field:'name',title:'姓名',fit:true,fitColumns:true,'200'},
                    {field:'roleIds',title:'岗位',fit:true,fitColumns:true,'200'}
                ]],
                onDblClickRow:function(){
                    //alert(1);
                },
                onSelect:function(rowIndex, row){
                    $("#selectAuditerName").html(row.name);
                    $("#selectAuditerId").val(row.id);
                }
            });
        }