using DevExpress.XtraGrid.Views.Grid;

   private void gridView1_CalcPreviewText(object sender, CalcPreviewTextEventArgs e) {
    GridView view = sender as GridView;
    if (view == null) return;
    e.PreviewText = "Item: " + e.PreviewText + "; Units: " + 
        view.GetRowCellDisplayText(e.RowHandle, _
        view.Columns["UnitsOnOrder"]) + ".";
   }

Imports DevExpress.XtraGrid.Views.Grid

   Private Sub GridView1_CalcPreviewText(ByVal sender As System.Object, _
     ByVal e As CalcPreviewTextEventArgs) Handles GridView1.CalcPreviewText
      Dim view As GridView = sender
      If view Is Nothing Then
           Return
      End If
      e.PreviewText = "Item: " + e.PreviewText + "; Units: " + _
        view.GetRowCellDisplayText(e.RowHandle, _
        view.Columns("UnitsOnOrder")) + "."
   End Sub