public override int GetHashCode() { return(Id.GetHashCode() & First_name.GetHashCode() & Last_name.GetHashCode()); }
override public int GetHashCode() { return(User_id.GetHashCode() & First_name.GetHashCode() & Last_name.GetHashCode()); }
public override int GetHashCode() { return(First_name.GetHashCode() + Last_name.GetHashCode()); }