JSP/Global Variable Question

**partyk1d24** · 11-27-2006 04:16 PM

This is the code but it shows 0 everytime. Why doesn't it increment?

Code:

<%@ page contentType="text/html; charset=iso-8859-1" language="java" import="java.sql.*" errorPage="" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<%
	int testVar = 0;
%>
<script type="text/javascript">
function testFun()
{
	<%testVar=testVar++;%>
	alert("Worked");
	document.forms[0].test.value=<%=testVar%>;
}
</script>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<title>Untitled Document</title>
</head>

<body>
<form>
<input id="test" value=<%=testVar%>></input>
<input type="button" id="btnGo" onClick="testFun()" value="Click Here!"></input>
</form>
</body>
</html>

**hugh** · 11-28-2006 07:52 AM

<%testVar=testVar++;%>

should be

<%testVar=testVar++%>

no semi-colon '; '

**partyk1d24** · 11-28-2006 09:13 AM

Actually that causes it to have a compile error I think it has something to do with needing to only declare the variable
<%
int testVar = 0;
%>
When not a postback and on load or something like that but I am not sure anyone else know?

**tushar_25in** · 12-04-2006 04:55 AM

I think you have to use declaration instead of a scriptlet.

that should be like <%!testVar=testVar++%>

try this

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