i have a table named 'product'.it has following fields "code","name","unit","specification"..on the other hand i have a table called 'order'
it has the following field "code","price". when i submit an order it just stores the product code and the unit price.
i want to add extra 3 column to show the price and specification,name along with the product code.so my column will be
i am trying to avoid callback because in callback search,and ascending/descending doesn't work.
thanks in advance