I have a database of values, each of which belongs to one of several categories. I want to allow the user to choose one to several category/value pairs. In other words, I would like to be able to do stuff like A>23, B<5, and C>7. I can do this with three list-boxes and corresponding text boxes, but I would like to be able to have the user put in one (A>23) and then hit an "ADD" button, which would bring up a new page with the first selections present and another set of list-box/text box pair, and so on up to some maximum number of pairs. Anyone have some example code for doing this kind of thing? I have a bit of an idea (an array of array of parameters), but I haven't been able to translate this into code.
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