Hi Ashok,
Ashok Venkat wrote:
In the below code, i am submitting a form to itself in the onload method and changing some hidden form field values. After the form is submitted, the hidden values are not available in the request object.As a result, the page gets into an endless loop.
Interesting. I treied it, and Firefox stops on JavaScript error in line
this_form.BrowserType.value = navigator.appName;
so the form never gets submitted. After adding one more hidden field:
<input type='hidden' name='BrowserType' value='unknown!'>
everything works fine.
Regards,
Ognjen
Thanks for any help
Code:
//test.jsp
if(request.getParameter( "ScreenResolutionHeight" ) == null )
{
%>
<html>
<head>
<title>Please wait one moment...</title>
</head>
<body onload='SubmitOnLoad();'>
<form method='post' id='ScreenResolutionForm'>
<input type='hidden' name='ScreenResolutionWidth' value='1024'>
<input type='hidden' name='ScreenResolutionHeight' value='768'>
<script>
function SubmitOnLoad()
{
var this_form = FindElementById( 'ScreenResolutionForm' );
this_form.ScreenResolutionWidth.value = window.screen.availWidth;
this_form.ScreenResolutionHeight.value = window.screen.availHeight;
this_form.BrowserType.value = navigator.appName;
this_form.submit();
}
function FindElementById( id )
{
if( document.getElementById )
{
return document.getElementById( id );
}
else if (document.layers)
{
return document.layers[id];
}
else if (document.all)
{
return document.all[id];
}
return undefined;
}
</script>
</body>
</html>
<%
}else {
............
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