private BaseActionResult DeleteTeachingCategory(string parameters) { BaseActionResult result = new BaseActionResult(); string guid = CommonGlobalSettings.Utilities.GetParameter("guids", parameters); try { if (dictionaryService.DeleteTeachingCategory(guid)) { result.Result = true; } else { result.Result = false; } } catch (Exception ex) { result.Result = false; result.ReturnMessage = ex.Message; } return(result); }