private void PopulateNotFriends()
{
IDAL DAL = new DBDataAL();
IEnumerable<string> friends = DAL.GetFriends(Owner);
IEnumerable<string> users = DAL.GetAllUsernames();
NotFriends = users.Where(x => x != Owner.UserName).Where(x => !friends.Contains(x)).ToList();
}
