title: how to send WPF DataGrid row to bottom of DataGrid depending on condition
body: <p>I have datagrid on window. I want to send specific row at the bottom of grid depending on condition in code.
  For ex: </p>
  
  <pre><code>if(!Row.Isenable)
  {
  ///send this row to bottom of grid
  }
  </code></pre>
  
  <p>how can I do this?</p>