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Using Javascript variable in asp

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PeteCan

PeteCan

Programmer
Jan 15, 2002
60
GB
I have an asp page which has a dropdown box in it. Using the onchange event I want to decide whether to do something or not.
The event calls this javascript

<SCRIPT ID=clientEventHandlersJS LANGUAGE=javascript>
<!--

function HandleChange() {
var list = document.form1.seltest;
var listValue= list.options[list.selectedIndex].value;
}
//-->
</SCRIPT>

However how do I get the listvalue value and use it within the vbscript code to make the decision
 
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When you say VBScript, I'm assuming that you mean server-side VBScript. If so, then you cannot test for the value of the selected option without doing a form submission to another [ASP] page (as the server-side code will clearly have already run by the time the page is delivered).

Hope this helps,
Dan
 
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rather than using vbscript can i do it just using javascript then?
What i want to is have a drop down box containing 4 entries. If they select the 'onhold' option then I want a text box to appear below it for them to enter a date, if they select any other option they don't get the text box and then just press submit to update the database.

I've never used Javascript, although have just order a book!, so don't know it's full capabilities.

thanks
 
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Try this for size:

Code: 
<html>
<head>
	<script type="text/javascript">
	<!--
		function selectChanged(value) {
			if (value=='onhold') {
				document.forms['myForm'].myDateBox.style.display = 'block';
			} else {
				document.forms['myForm'].myDateBox.style.display = 'none';
			}
		}
	//-->
	</script>
</head>
<body>
	<form name="myForm">
		<select name="mySelect" onchange="selectChanged(this.value);">
			<option value="">Please select...</option>
			<option value="onhold">On Hold</option>
			<option value="notonhold">Not On Hold</option>
		</select>
		<br />
		<input type="text" name="myDateBox" value="Enter date here..." style="display:none;">
		<br />
		<input type="submit" value="Submit!">
	</form>
</body>
</html>

Hope this helps,
Dan
 
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