title: How to hide the NULL values in list item get from store in sencha touch
body: <p><img src="https://i.stack.imgur.com/s8RQV.png" alt="enter image description here">I have implemented an application in <strong>sencha touch.</strong></p>
  
  <p>in that i have a list view , <strong>i retrieve the data from the store</strong>,</p>
  
  <p>in data base in some fields i have inserted <strong>null values,{No selection}.</strong></p>
  
  <p>the corresponding fields in list view are displayed as <strong>NULL,</strong></p>
  
  <p>But i want to display an <strong><code>empty space</code></strong> instead of <strong>NULL,</strong> </p>
  
  <pre><code>        {
                    xtype: 'list',
  
                    itemTpl: [
                              '&lt;div id="wrapper"&gt;'+
                              '&lt;div class="frt"&gt;{Name}&lt;/div&gt;'+
                              '&lt;div class="frt"&gt;{Title}&lt;/div&gt;'+
                              '&lt;div class="frt"&gt;{Contact}&lt;/div&gt;'+
                              '&lt;div class="frt"&gt;{Zip}&lt;/div&gt;'+
                              '&lt;/div&gt;'
                              ],
                    store: 'ContactsDataBase'
               }
  </code></pre>