hey my topic name is sanitaryware and pipefitting system...
i dntknw how to make system diagrams and how to connect............
i have 1 module wich is purchase....nw when customer will come definately he will buy more than 1 parts.than i kept list box...nw how to store that information of parts in database in signal table...........
whixch query i have to write for crating purchase table...........it should be stored on id.........means
suppose invoice id is 1 innerside product in list box are many parts selected so how to store.........
plz help me....give me tips or code ..........coz i have to submit my project in 4days......