Hi too,
I've not found the need to employ any clever Javascript to deal with this situation...
In the example
> <form action=/servlet/.....>
> <input type="SUBMIT" NAME="btn_1" VALUE="First button">
> <input type="SUBMIT" NAME="btn_2" VALUE="Second button">
> </form>
You can use the same functions to retrieve the value of form fields to check which
button is pressed.
ie.
req.getParameter("btn_1") will return "First button" if the
first button is pressed and null if the second button is pressed
likewise
req.getParameter("btn_2") will return "Second button" if the
second button is pressed and null if the first button is pressed
Alternatively you could give both buttons the same name as in this example...
<form action="/servlet/..." method="...get or post"/>
<input type="SUBMIT" NAME="submitButton" VALUE="First button">
<input type="SUBMIT" NAME="submitButton" VALUE="Second button">
</form>
req.getParameter("submitButton") will return "First button" if the
first button is pressed and "Second button" if the second
button is pressed
I haven't tested this widely in different browsers and servlet engines. My guess,
though, is that this is more portable than javascript setting the value of a hidden
field (something I have had problems with in the past).
kev
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