public int CompareTo(ContactsData other) { if (Object.ReferenceEquals(other, null)) { return(1); } if (Last_name.CompareTo(other.Last_name) == 0) { return(First_name.CompareTo(other.First_name)); } return(Last_name.CompareTo(other.Last_name)); }
override public int GetHashCode() { return(User_id.GetHashCode() & First_name.GetHashCode() & Last_name.GetHashCode()); }
public override int GetHashCode() { return(Id.GetHashCode() & First_name.GetHashCode() & Last_name.GetHashCode()); }
public override int GetHashCode() { return(First_name.GetHashCode() + Last_name.GetHashCode()); }