javascript - How to add a blank/empty row to the EnhancedGrid which is binded to MemoryStore -


i using memorystore, observable , objectstore bind data enhancedgrid. when add row enhancedgrid, newly added row cells shown (...). when try edit cell, displays undefined , ended exception.

javascript:

require(['dojo/_base/lang', 'dojox/grid/enhancedgrid', 'dojo/data/itemfilewritestore', 'dijit/form/button', 'dojo/dom', 'dojo/domready!', 'dojo/store/memory', 'dojo/store/observable', 'dojo/data/objectstore'],  function (lang, enhancedgrid, itemfilewritestore, button, dom, domready, memory, observable, objectstore) {     /*set data store*/     var data = {         identifier: "id",         items: []     };   var gridmemstore = new memory({ data: data }); var griddatastore = observable(gridmemstore); var store = new objectstore({ objectstore: griddatastore });   /*set layout*/ var layout = [     [{         'name': 'column 1',             'field': 'id',             'width': '100px'     }, {         'name': 'column 2',             'field': 'col2',             'width': '100px',             editable: true     }, {         'name': 'column 3',             'field': 'col3',             'width': '200px',             editable: true     }, {         'name': 'column 4',             'field': 'col4',             'width': '150px'     }] ];  /*create new grid*/ var grid = new enhancedgrid({     id: 'grid',     store: store,     items: data.items,     structure: layout,     rowselector: '20px' });  /*append new grid div*/ grid.placeat("griddiv");  /*call startup() render grid*/ grid.startup();  var id = 0;  var button = new button({     onclick: function () {         console.log(arguments);         grid.store.newitem({             id: id         });         id++;     } }, "addrow"); });

html:

<body class="claro">     <div id="griddiv"></div>     <button id="addrow" data-dojo-type="dijit.form.button">add row</button> </body>

please me. missing in code?

how add empty row irrespective of column datatype?

in posted code need remove items argument in datagrid constructor example work. here possible solution:

to remove ... in cells use custom formatter each field, avoid undefined, use function. documentation http://dojotoolkit.org/reference-guide/1.10/dojox/grid/datagrid.html

   /*set layout*/                         var layout = [                             [{                                     'name': 'column 1',                                     'field': 'id',                                     'width': '100px'                                 }, {                                     'name': 'column 2',                                     'field': 'col2',                                     'width': '100px',                                     editable: true,                                     formatter: function (item) {                                         return '';                                     },                                     get: function (rowidx, item) {                                         return '';                                     }                                 }, {                                     'name': 'column 3',                                     'field': 'col3',                                     'width': '200px',                                     editable: true,                                     formatter: function (item) {                                         return '';                                     },                                     get: function (rowidx, item) {                                         return '';                                     }                                 }, {                                     'name': 'column 4',                                     'field': 'col4',                                     'width': '150px'                                 }]                         ];

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