DynamicGrid

Example - Dynamic grid with dynamic model - Extjs addon.

Code example:
Ext.create('Ext.window.Window', {
    width: 400,
    height: 400,
    title: 'Example of Dynamic Grid'
    layout: 'fit',
    items: [
        {
            // All what you have to set! :)
            xtype: 'dynamicGrid',
            url: '/some/url'
        }
    ]
});

Check also another branches:

• visibleColumns
• possibilty to define which columns have to be visible. configurationJsonResponse (Hadsch's patch - thanks) - possibility to define columns and fields in json response.
• extjs4.2-fix - fix for ExtJs 4.2

Plugin code is very short and easy to modify.

Discution on Sencha forum: https://www.sencha.com/forum/showthread.php?242594-Dynamic-grid-with-dynamic-model

Feel free to use.