public override int GetHashCode()
        {
            int result = Spname.GetHashCode();

            result = 17 * result + Spmoney.GetHashCode();
            result = 17 * result + Spnumber.GetHashCode();
            return(result);
        }
        public override int GetHashCode()
        {
            var hashCode = -2127770830;

            hashCode = hashCode * -1521134295 + Spnumber.GetHashCode();
            hashCode = hashCode * -1521134295 + EqualityComparer <string> .Default.GetHashCode(Spname);

            hashCode = hashCode * -1521134295 + Spmoney.GetHashCode();
            return(hashCode);
        }