public string GetPasswordByPhone(string phoneNumber) { UserQuery userQuery = new UserQuery(language); System.Data.DataTable dataTable = conn_db.ReadTable(userQuery.GetPasswordByPhoneNumber(phoneNumber)); string password = ""; if (dataTable.Rows.Count == 0) { throw new EmptyViewException(language); } password = dataTable.Rows[0][0].ToString(); return(password); }