public ActionResult ContentSnippetHistory(ContentSnippetHistoryModel model) {
			ModelState.Clear();

			List<Guid> lstDel = model.History.DataSource.Where(x => x.Selected).Select(x => x.ContentSnippetID).ToList();

			foreach (Guid delID in lstDel) {
				ContentSnippet.GetVersion(delID).DeleteThisVersion();
			}

			if (lstDel.Any()) {
				SetSaved();
			}

			return RedirectToAction("ContentSnippetHistory", new { @id = model.Item.Root_ContentSnippetID });
		}
		public ActionResult ContentSnippetHistory(Guid id) {
			ContentSnippetHistoryModel model = new ContentSnippetHistoryModel(id);

			ShowSaved();

			return View(model);
		}