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POExtJS Error "TypeError: Ext.state is undefined"
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  1. POExtJS Error "TypeError: Ext.state is undefined"
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    copied!<p>I am new to ExtJS. I saw an example and copied that on an empty page. When I run this page I get an error:<br/><br/> <strong>TypeError: Ext.state is undefined Ext.state.Manager.setProvider(Ext.create('Ext.state.CookieProvider'));</strong><br/><br/>Here is the complete code of what I am trying:<br/><br/> &lt;!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "<a href="http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd" rel="nofollow">http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd</a>"></p> <pre><code>&lt;html xmlns="http://www.w3.org/1999/xhtml"&gt; &lt;head&gt; &lt;title&gt;ExtJS CRUD&lt;/title&gt; &lt;link href="extjs/resources/ext-theme-neptune/ext-theme-neptune-all.css" rel="stylesheet" type="text/css" /&gt; &lt;script type="text/javascript" src="extjs/ext-debug.js"&gt;&lt;/script&gt; &lt;/head&gt; &lt;body&gt; &lt;script language="javascript" type="text/javascript"&gt; Ext.state.Manager.setProvider(Ext.create('Ext.state.CookieProvider')); Ext.create('Ext.form.ComboBox', { fieldLabel: 'Choose', store: [[1, "Harpo"], [2, "Chico"], [3, "Groucho"]], displayField: 'name', typeAhead: true, forceSelection: true, valueField: 'abbr', renderTo: Ext.getBody(), stateful: true, stateId: 'myIdentifierUniqueAmongAllMyStatefulComponentsUsedToStoreAndFetchMyState', stateEvents: ['select'], getState: function (me) { // On any of the stateEvents, the framework runs this. // "Hey component, what do you want me to remember for you? return { value: this.getValue() }; }, applyState: function (state) { // On component initialization, the framework runs this. // "Hey component, here's that object I saved for you this.setValue(state.value); } }); &lt;/script&gt; &lt;/body&gt; &lt;/html&gt; </code></pre> <p>What am I missing?</p>
 

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