title: Extjs4 - Data store duplicate records. is it possible?
body: <p>is it possible to add duplicate records inside data store ?</p>
  
  <pre><code>var myData = [
  { id : 0, name : "Rec 0", column1 : "0", column2 : "0" },
  { id : 1, name : "Rec 1", column1 : "1", column2 : "1" },
  { id : 2, name : "Rec 2", column1 : "2", column2 : "2" },
  { id : 3, name : "Rec 3", column1 : "3", column2 : "3" },
  { id : 4, name : "Rec 4", column1 : "4", column2 : "4" },
  { id : 5, name : "Rec 5", column1 : "5", column2 : "5" },
  { id : 6, name : "Rec 6", column1 : "6", column2 : "6" },
  { id : 7, name : "Rec 7", column1 : "7", column2 : "7" },
  { id : 8, name : "Rec 8", column1 : "8", column2 : "8" },
  { id : 9, name : "Rec 9", column1 : "9", column2 : "9" }
  ];
  
  
  var origine = new Ext.data.Store({
          //autoDestroy: true,
          storeid: 'origineRec',
          id:'origineRec',
          //model: 'DataObject',
          //idIndex: 0,
          fields: ['id','name','column1 ','column2 '],
          data: myData 
  });
  
  var destinazione = new Ext.data.Store({
          //autoDestroy: true,
          storeid: 'destinazioneRec',
          id:'destinazioneRec',
          //idIndex: 0,
          fields: ['id','name','column1 ','column1 ']
  });
  </code></pre>
  
  <p>I've a situation like this, two grid panel , two store and i've to drag a record and drop into the "destinazione" and is possibile to allow duplicate records into it.</p>
  
  <p>I add the duplicate records in the second grid (Rec 0 - Rec 0) but after saving into the grid there is only one records.</p>
  
  <p>How can i fix ? thanks</p>