I have been given the task of enabling a dynamic data lookup feature in my web-broker cgi app. ie filling a <select> with data relevent to values entered into an <input type=text> or selected from another <select> - based on data in my Firebird Db - something like that found at http://www.companies.govt.nz company search.
I've done this for a special case by having a *big* Javascript file with every option in it. Doesn't sound like you're security would allow that? For 'big', 5-10k is a reasonable amount of text, you could probably do it for less than a moderate-size image (yep, I'll happily redefine x in terms of y and not define y ;).
From what i have researched so far, it seems there are some major security issues with using java applets as companies.govt has, not to mention the learning curve of coding the jolly thing.
Security issues with Java? Would've thought there'd be a bigger fuss. But yeah, a very big learning curve for one data entry screen.
One of my colleagues (M$ dude) tells me i can do this using web services.
Yep. What it was invented for.
Has anyone here got experience in this area? I have spent all day poking around Delphi SOAP tutorials, and apart from now being crosseyed, i still am unsure if and how this is going to achieve what i want.
AFAIK, Delphi soap implies a windows exe client, rather than browser (Please correct me).
However, his *can* be done in Javascript. Basically your js needs a function to create a web page which you dynamically load, then parse. It works Very well but is Very hard. There is a page about it somewhere on the web that always takes me about 1/2 an hour or so to find every time I go looking (and Googling the web is Much quicker than eyeballing the bookmarks...).
Oh. Found. http://www.ashleyit.com/rs/ Once again my time estimation lets me down.
Desperately seeking a shortcut
Split the data entry into 2 pages. Based on the fields from the first page load the 2nd. Short enough cut for you?
Cheers, Kurt.
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