代码：

var dg = $(DataGrid.TableGridID);        var row = {            ID: "",            UserName: "",            Password: "",            IsRemembered: "",            CreateTime: ""        };        dg.datagrid('insertRow', {            index: 0,            row: row        });        var selectIndex = dg.datagrid('getRowIndex', row);        dg.datagrid('beginEdit', selectIndex);        var ed = dg.datagrid('getEditor', { index: 0, field: 'UserName' });        $(ed.target).focus();