public bool delete(dapper.productsub productsub)
 {
     using (var connection = new MySqlConnection(conn))
     {
         var identity = connection.Delete <dapper.productsub>(productsub);
         return(identity);
     }
 }
 public int save(dapper.productsub productsub)
 {
     using (var connection = new MySqlConnection(conn))
     {
         var res = connection.Insert <dapper.productsub>(productsub);
         return((int)res);
     }
 }