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Refresh having a Form with Post

Hi
I have a html-doc that I want to refresh every n seconds.
I know how to do that whit the
<meta hhtp-equiv="refresh" content="n">
but my problems is that I use a Form with method=post
and then the reader(IE4 or netscape) ask the user
if he want to repost data.
How do I do so the reader doesn't come up with
that window every time.
/Pelle
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PerBoman
Asked:
PerBoman
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1 Solution
 
MasseyMCommented:
Rather than POST use the GET method... You will have the ugly URL string, but the info will not have to be "reposted"
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PerBomanAuthor Commented:
I don't want to use GET becuse I have Made a cgi program
on the server that retrive info by the POST command.

 
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MasseyMCommented:
Why don't you write the program to parse the query string and do it that way?  Otherwise, you will always get that message...

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Trevor013097Commented:
PerBoman,

Matt is right.  You should write your CGI so that it parses whatever you send it and therefore can handle both POSt and GET methods. There are plenty of scripts which are available which will do just that (just look at some of the scripts on Matt's Script Archive under PERL).  The lines needed to do this aren't all the long (about 10 if my memory serves me right).

Your other option if you have to use POST would be to have a Javascript handle the form submission.  Your form would then called a Javascript function onSubmit.  The function would then after a timeout submit your form.  This would then be a resubmission rather than a refresh (ultimately with the same effect) and so IE and NN wouldn't give you the prompt message.

Hope that helps a little.

Trevor.


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bernfarrCommented:
Don't forget the data limitation on GET methods. If you have large amounts of data coming in on the form, you must use POST.
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Trevor013097Commented:
That is very true, which is much of the reason we all started using POST, so maybe the POST method is the better to stick with.  Which means that the Javascript might be the way to go then.

Trevor.


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Trevor013097Commented:
PerBoman,

I have written a small script which can resubmit your form without giving the prompt. You can change the amount of time between submits by changing the value (in milliseconds) in the setTimeout line. Here is the script:

<HTML>
<HEAD>
<TITLE>Resubmitting Javascript Form</TITLE>
<SCRIPT LANGUAGE="Javascript">
<!--

function formSubmit() {
  if (document.myForm.stopForm.checked != true) {
      document.myForm.submit();
      setTimeout("formSubmit();", 1000);  // form submits after 1 second (1000 milliseconds)
  }
}

//-->
</SCRIPT>
</HEAD>

<BODY BGCOLOR="#FFFFFF">

<FORM NAME="myForm" METHOD="POST" ACTION="http://www.someserver.com/somescript.pl">
<B>myField1</B> <INPUT TYPE="TEXT" NAME="myField1" SIZE="20"><BR>
<B>myField2</B> <INPUT TYPE="TEXT" NAME="myField2" SIZE="20"><BR>
<B>myField3</B> <INPUT TYPE="TEXT" NAME="myField3" SIZE="20"> <INPUT TYPE="checkbox" NAME="stopForm"> Check box to stop form submitting after this time<BR>
     <INPUT TYPE="BUTTON" NAME="SubmitButton" VALUE="Send the Form" onClick="formSubmit();">
<INPUT TYPE="RESET" NAME="ResetButton" VALUE="Clear the Form">
</FORM>

</BODY>
</HTML>

If you have a problems please let me know.

Trevor.


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PerBomanAuthor Commented:
Thank you for telling me about the method form.submit()

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Trevor013097Commented:
Glad to be of help.

Trevor.


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