Check System.DirectoryServices.SearchResult for byte[] or string

gistfile1.cs

private string GetDataFromResults(SearchResult result, string propertyName)
{
    if (!result.Properties.Contains(propertyName) || result.Properties[propertyName].Count == 0)
    {
        return null;
    }

    var prop = result.Properties[propertyName][0];
    var data = prop.GetType() == typeof (byte[]) 
        ? Encoding.UTF8.GetString((byte[]) prop) 
        : prop.ToString();

    return data;
}