public static string GetPrevalues(this IContent content, IDataTypeService ds, string alias)
{
var ids = content.GetValue <string>(alias).Split(',').ToList();
var list = ids.Select(x => ds.GetPreValueAsString(int.Parse(x)));
return(string.Join(",", list));
}
public static string GetPreValueByIntValue(IDataTypeService service, int value)
{
return(service.GetPreValueAsString(value));
}