title: AG-Grid FillHandle Increment Value Cross Row Groups
body: <p>Example at <a href="https://plnkr.co/edit/0CPdb8dXPCafCJjI" rel="nofollow noreferrer">https://plnkr.co/edit/0CPdb8dXPCafCJjI</a></p>
  <pre><code>const gridOptions = {
    columnDefs: [
      { field: 'athlete',
       minWidth: 150,
       rowGroup: true,
       hide: true, },
    
      { field: 'year', maxWidth: 90 },
     
    ],
    defaultColDef: {
      flex: 1,
      minWidth: 100,
      editable: true,
    },
    enableRangeSelection: true,
    enableFillHandle: true,
    fillHandleDirection: &quot;y&quot;,
    groupDisplayType: &quot;groupRows&quot;,
    groupDefaultExpanded: 1,
  };
  </code></pre>
  <p>Grid has row groups. Selecting 2004, holding down &quot;alt&quot; and dragging down  increases the value in column &quot;Year&quot; as intended. The issue comes when dragging over to a new group. I would like first row for &quot;Natalie Coughlin&quot; to be 2006, but it seems like AG grid is counting group row header as a regular row.</p>
  <p>Anyone know how to accomplish this?</p>
  <p><a href="https://i.stack.imgur.com/xnRxW.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/xnRxW.png" alt="Rows for &quot;Natalie Coughlin should have values 2006,2007 (and 2008 if dragged even further)&quot;" /></a></p>