public ActionResult Attendees()
{
var attendeeList = CurrentAttendee.List();
var serializer = new CSVSerializer();
var builder = new StringBuilder();
builder.AppendLine(serializer.Header(new CurrentAttendee()));
attendeeList.ForEach(x=>builder.AppendLine(serializer.Serialize(x)));
var result = new FileContentResult(Encoding.ASCII.GetBytes(builder.ToString()), "text/csv")
{FileDownloadName = "Attendees.csv"};
return new EmptyResult();
}