/// <summary>
/// Handles the GridReorder event of the gDocumentTypes control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="GridReorderEventArgs"/> instance containing the event data.</param>
private void gDocumentTypes_GridReorder(object sender, GridReorderEventArgs e)
{
var rockContext = GetRockContext();
var documentTypeService = new DocumentTypeService(rockContext);
var documentTypes = documentTypeService.Queryable().OrderBy(dt => dt.Order).ToList();
documentTypeService.Reorder(documentTypes, e.OldIndex, e.NewIndex);
rockContext.SaveChanges();
BindGrid();
}