/// <summary>
/// Test drag and drop with the data list
/// </summary>
/// <param name="sender">The sender of the event</param>
/// <param name="e">The event arguments</param>
private void dlList_BeginDrag(object sender, DataListBeginDragEventArgs e)
{
// Commit any pending changes before the drag operation begins
dlList.CommitChanges();
this.DoDragDrop(e, DragDropEffects.Copy | DragDropEffects.Move);
}
/// <summary>
/// This raises the <see cref="BeginDrag"/> event
/// </summary>
/// <param name="e">The event arguments</param>
protected virtual void OnBeginDrag(DataListBeginDragEventArgs e)
{
var handler = BeginDrag;
if(handler != null)
handler(this, e);
}