public Object DelCode(string CodeString)
        {
            ReturnData result = new ReturnData();

            result.Msg = "";
            using (var sqlconnection = new SqlConnection(connectionString))
            {
                bool flag = true;
                if (sqlconnection.State == ConnectionState.Closed)
                {
                    sqlconnection.Open();
                }
                SqlTransaction transaction = sqlconnection.BeginTransaction();
                try
                {
                    CodeService repository = new CodeService(sqlconnection);
                    for (int i = 0; i < CodeString.Split(',').Length; i++)
                    {
                        string strCodeString = (CodeString.Split(','))[i].ToString();
                        if (!repository.DelCode((CodeString.Split(','))[i].ToString(), transaction))
                        {
                            flag = false;
                            break;
                        }
                    }
                    if (flag)
                    {
                        transaction.Commit();
                        result.Result = true;
                    }
                    else
                    {
                        result.Result = false;
                    }
                    return(result);
                }
                catch (Exception ex)
                {
                    transaction.Rollback();
                    result.Msg    = ex.Message;
                    result.Result = false;
                    return(result);
                }
                finally
                {
                    sqlconnection.Close();
                }
            }
        }