public List <User> GetUsersByLastName(string lastName) { List <User> result = new List <User>(); var fbUsers = fbApi.GetAccounts(lastName, 100000); if (fbUsers != null) { int i = 1; foreach (var fbUser in fbUsers) { result.Add(new User { FullName = fbUser.FirstName + " " + fbUser.LastName, Id = i++ }); } } return(result); }