Find Control or Datakeys on ItemCommand Event of ListView

          To Find Control in ItemCommand Event of ListView is little simple than finding in gridview but finding a DataKeys from ListView are not simple as find control :
1. To Find a Control From ListView is as follows

  Label LabelEmail = (Label)e.Item.FindControl("LabelEmail"); 

And Now You Can Access that Properties of that Control. 
   LabelResult.Text = LabelEmail.Text; 

2. For Finding a DataKeys the following way is used First Create a ListViewDataItem object.
For Eg: 
   ListViewDataItem dataItem = (ListViewDataItem)e.Item;

3. Finally You Can get datakeys of that ListView using that dataitem DisplayIndex.
For Eg: 
   string code = ListView1.DataKeys[dataItem.DisplayIndex].Values[0].ToString();