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Passed from MultiPart Form or from Hyperlink?

Posted on 2004-08-13
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Last Modified: 2010-04-01
I have a page that can be opened either by the submission of an "enctype=multipart/form-data" form or by the click of a hyperlink.
When I get to the page from the form, I want to use the oReilly MultipartRequest, but when I get to the page through the hyperlink, then there has been no form submission, and I need to NOT use the oReilly MultipartRequest.

So how can I know at the top of the page if I am getting there through a form submission or a hyperlink?
Is there a variable that I can read in that will tell me if there was a form submitted?

Thanks in advance,
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Question by:mderbin
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alskdj80 earned 250 total points
ID: 11795916
you can do this by putting a hidden field in your form, eg:
...
<form name="myform" action="wherever" method="post">
<input type="hidden" value="Form" name="Form">

//other form things

<input type="Submit" value="submit" name="submit">
</form>
...


then, in your next page, you can check if there is a parameter called "Form":
...
String isForm = request.getParameter("Form");
if ( isForm.equals("") ) {
    //not a form
} else {
    //is a form
}
...

hope this helps
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