title: clear text in extjs textfield
body: <p>I am using extjs textfield in one of the grids in a webpage. This is how i have created the textfield</p>
  
  <pre><code>{
              xtype: 'textfield',
              id: 'logicrelation',
              allowBlank: true
  }
  </code></pre>
  
  <p>I want to clear this textfield in one of the handlers. I tried clearing it like this, <code>Ext.get('logicrelation').setValue("");</code> but I get a message in the console that the setValue function is not available. I tried reset function also and that did not help either. Appreciate your help</p>
  
  <p>Thanks,
  Sandeep</p>