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Restrict Access to Form Submit Button using CF?

Posted on 2004-03-26
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Last Modified: 2013-12-24
hello.
I need to activate (show or hide?) a FORM's submit button IF a condition exsists or does not exist (someone voting on a sample poll already ... means HIDE the submit button so they cannot vote again).

Any ideas how / if / I can do this using CF!? else!?

Thanks much!
Richard
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Question by:rcbuchanan
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5 Comments
 
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by:
M256 earned 300 total points
ID: 10692277
If you want to do it on the Client side, you need JavaScript.

Otherwise, you could use the following ColdFusion code:

<cfparam name="session.voted" default="false">
<form>
<input type="text"><br>
<cfif session.voted is false>
<input type="submit">
</cfif>
</form>

Put this line on the action page of the form:
<cfset session.voted = true>

Matthew
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LVL 9

Assisted Solution

by:CFDevHead
CFDevHead earned 200 total points
ID: 10692306
<cfparam name="cookie.vote" default="">
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<title>Vote Now</title>
</head>

<body>
      <form name="frmMain" action="index.cfm" method="post"<cfif cookie.vote is ""> onSubmit="return false;"</cfif>>
      
      <cfif cookie.vote is "">
      <input type="submit" value="vote">      
      </cfif>
      </form>
</body>
</html>
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Expert Comment

by:CFDevHead
ID: 10692313
Similar to M256
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Author Comment

by:rcbuchanan
ID: 10692431
Thanks guys!
Is perfect.
0
 
LVL 5

Expert Comment

by:M256
ID: 10692448
rcbuchanan,

Glad to help.

Matthew
0

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