Andras Balogh wrote:
>
> If I understand You corectlly You have one form
> and in the Servlet You want to decide wich submit button
> was pressed. (like Previous or Next).
>
> If You have in your html form:
>
> <input type="submit" name="submitbuton" value="Previous">
>
> <input type="submit" name="submitbuton" value="Next">
>
> than in Your servlet get the parameter submitbuton. Like this:
> String buton=request.getParameterValues("submitbuton")[0];
> or request.getParameter("submitbuton");
>
> than
>
> if( buton.equals("Previous") ) {
> file://something
> }
> else {
> file://something else
>
> }
It might be better to give different names to the buttons.
<input type="submit" name="PreviousPage" value="Previous">
<input type="submit" name="NextPage" value="Next">
Then your servlet just needs to check like this:
if (request.getParameterValues ("PreviousPage") != null) {
//do something
}
When checking the value, if you change the value so that the form displays a
different label on the button, then you have to change the servlet as well. If
you check for the value != null, then you can change the label on the button at
any time:
<input type="submit" name="PreviousPage" value="Back">
<input type="submit" name="NextPage" value="Forward">
and the servlet code will work without modification.
Kevin Mukhar
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