private UAReturn addColLvl(string colName, List<string> finalLevelList, ServerDataSource dataSource)
{
//return (dispatcher.EvaluateToObject(RCommandStrings.ChangeColumnLevels(colName, finalLevelList, dataSource), false) as string);
return (dispatcher.EvaluateToUAReturn(RCommandStrings.AddColumnLevels(colName, finalLevelList, dataSource)));
}