Determining which submit button was used?

Question

Is it possible to determine which submit button was used? I have a confirmation form with 2 submit buttons. The first would confirm the order, do some DB tasks, then redirect. The second, which is a Cancel button, will just redirect to the same page, without doing any DB tasks.

Is it possible in the servlet, preferably via the request object, to determine which submit button was used? I'd prefer not to be dependent on Javascript, as that is pretty simple, but will resort to it if the only possibility.

Thanks.

Answer 1

<button name="someName" value="someValue" type="submit">Submit</button>
<button name="otherName" value="otherValue" type="submit">Cancel</button>

You'll have someName=someValue or otherName=otherValue in your request data

Answer 2

Sure, just give each of your submit buttons a name attribute, and whichever one was clicked will appear in the submitted variables:

<input type="submit" name="doConfirm" value="Confirm"  />
<input type="submit" name="doCancel"  value="Cancel"  />