public override int GetHashCode()
        {
            int hashPrevious = PreviousID == 0 ? 0 : PreviousID.GetHashCode();
            int hashID       = BUID == 0 ? 0 : BUID.GetHashCode();
            int hashTitle    = BUTitle == null ? 0 : BUTitle.GetHashCode();

            return(hashPrevious ^ hashID ^ hashTitle);
        }
 public override string ToString()
 {
     return(BUTitle.ToString());
 }