cfwindow - refreshonshow property
cfwindow.cfm
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>cfwindow tag example: how to use refreshonshow property in cfwindow</title>
</head>
<body>
<h2 style="color:Olive; font-style:italic">cfwindow tag example: refreshonshow true</h2>
<hr width="550" align="left" color="Beige" />
<br />
<a href="JavaScript:ColdFusion.Window.show('RandomNumberWindow')">
<b>Show Window</b>
</a>
<a href="JavaScript:ColdFusion.Window.hide('RandomNumberWindow')">
<b>Hide Window</b>
</a>
<cfwindow
name="RandomNumberWindow"
title="Random Number"
refreshonshow="true"
x="25"
y="140"
source="MyWindowSource.cfm"
draggable="false"
closable="false"
initshow="true"
>
</cfwindow>
</body>
</html>
MyWindowSource.cfm
<h4 style="color:DarkBlue;">
<cfset RandomNumber = RandRange(1,99)>
<cfoutput>My Random Number: #RandomNumber#</cfoutput>
</h4>