public void SaveRosterItemData(SaveItemDataQuery query) { DisableCaching(); try { if (query == null) { throw new ArgumentNullException("query"); } var rosterConfigService = new RosterConfigService(); if (!rosterConfigService.HasRights(query.ItemId, query.ListId, AccessRight.Write)) { throw new Exception("You don't have permissions to modify current roster"); } var rosterDataService = new RosterDataService(); rosterDataService.SaveRosterEventItem(query.ListId, query.ItemId, query.FieldName, query.Value); } catch (Exception ex) { HandleException(ex); } }