public string GetLocationString()
{
var result = default(string);
if (Venue != null)
{
result = Venue.DisplayName();
}
if (Venues != null)
{
result = Venues.Aggregate(string.Empty,
(prev, v) => prev +
(prev != string.Empty ? ", " : string.Empty) + v.DisplayName());
}
return(result);
}