public Boolean AddProductBeneficiary(ProductBeneficiary prodbenf)
        {
            int           result = 0;
            SqlConnection con    = getConnection();

            {
                try
                {
                    string QUERY = "INSERT INTO ProductBeneficiary(Prod_Id,Benf_Id,Royalty_perc) VALUES (@Prod_Id,@Benf_Id,@Royalty_perc)";
                    con.Open();
                    SqlCommand cmd = new SqlCommand(QUERY, con);
                    cmd.Parameters.AddWithValue("@Prod_Id", prodbenf.Prod_Id);
                    cmd.Parameters.AddWithValue("@Benf_Id", prodbenf.Benf_Id);
                    cmd.Parameters.AddWithValue("@Royalty_perc", prodbenf.Royalty_perc);


                    result = cmd.ExecuteNonQuery();

                    con.Close();
                }
                catch (SqlException se)
                {
                    Console.Write(se.Message);
                }
            }
            return(result > 0 ? true : false);
        }
 bool IService1.AddProductBeneficiary(ProductBeneficiary prodbenf)
 {
     return(products.AddProductBeneficiary(prodbenf));
 }