how can i show 3 form in one form?

[humayun_07]

please tell that how can i show 3 form in one form access database? say
example 3 catagory form , i made 1st ssc test papers form,2nd hsc test papers
form,3rd admission form. i want to need that when i run form its display
lastes edition ssc test papers data then i mouse click ssc test papers form
level then its chagne & show hsc test papers & data, again i clikc mouse then
change hsc test papers level form & show admission guide form,samely contiune
more form show one form.how can i do it & write code. pls i highly resuest
you.
thanks