ExtJS4.2 Ext.grid.panel Store更改后刷新表格

    ////////////////////////

    // Prepare store

    ////////////////////////



    // prepare fields and columns

    var __fields = [];

    var __columns = [];



    for (var jj=0; jj<config.columns.length; jj++) {

        var item2 = {};

        var item = [];

        // for fields

        item.name = config.columns[jj].title;

        __fields.push (item);

        // for columns

        item2.xtype = 'gridcolumn';

        item2.dataIndex = config.columns [jj].dataIndex;

        item2.text = config.columns [jj].title;

        __columns.push (item2);    

    }



    console.debug ('columns.length = ' + __columns.length + ', fields.length = ' + __fields.length);



    var sm = new Ext.selection.RowModel();

    //sm.bindComponent (grid.getView ());



    var __store = Ext.create ('Ext.data.Store', {

        storeId: config.storeId,

        fields: __fields,

        selModel: sm,

        proxy: {

            type: 'ajax',

            url: '/rhidmo/rest/ktec_js_searchUtils',

            reader: {

                type: 'json',

                root: 'entries'

            }

        }

    });



    grid.reconfigure (__store, __columns);

 更新绑定的bbar分页栏：

barPagingBar.bindStore(__store,true); 
barPagingBar.updateInfo(); 
barPagingBar.moveFirst();