public string CheckAccessTokenUser(string AccessToken) { System.Data.DataTable dataTable; try { UserQuery UserQuery = new UserQuery(language); dataTable = conn_db.ReadTable(UserQuery.CheckAccessTokenUser(AccessToken)); } catch { throw new EmptyViewException(language); } if (dataTable.Rows.Count == 0) { throw new EmptyViewException(language); } return(dataTable.Rows[0]["ID"].ToString()); }