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<p>From <b>http://www.w3schools.com</b> (Copyright Refsnes Data)</p>
<h1>ASP Procedures</h1>
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<p class="intro">In ASP you can call a JavaScript procedure from a VBScript and vice versa. </p>
<hr />
<h2>Examples </h2>
<p><a target="_blank" href="showasp.asp@filename=demo_vbproc">Call a procedure using VBScript</a><br />
How to call a VBScript procedure from ASP.</p>
<p><a target="_blank" href="showasp.asp@filename=demo_jsproc">Call a procedure using JavaScript</a><br />
How to call a JavaScript procedure from ASP.</p>
<p><a target="_blank" href="showasp.asp@filename=demo_vbproc2">Call procedures using VBScript</a><br />
How to call both a JavaScript procedure and a VBScript procedure in an ASP file.</p>
<hr />
<h2>Procedures </h2>
<p>The ASP source code can contain procedures and functions: </p>
<table width="100%" border="1" class="ex" cellspacing="0"><tr><td>
<pre><html>
<head>
<%
sub vbproc(num1,num2)
response.write(num1*num2)
end sub
%>
</head></pre>
<pre><body>
<p>Result: <%call vbproc(3,4)%></p>
</body></pre>
<pre></html></pre>
</td></tr></table>
<p>Insert the <%@ language="<i>language</i>" %> line above the
<html> tag to write procedures or functions in another scripting language
than
default: </p>
<table width="100%" border="1" class="ex" cellspacing="0"><tr><td>
<pre><%@ language="javascript" %>
<html>
<head>
<%
function jsproc(num1,num2)
{
Response.Write(num1*num2)
}
%>
</head></pre>
<pre><body>
<p>Result: <%jsproc(3,4)%></p>
</body></pre>
<pre></html></pre>
</td></tr></table>
<br />
<hr />
<h2>Differences Between VBScript and JavaScript</h2>
<p>When calling a VBScript or a JavaScript procedure from an ASP file written in VBScript, you can use the
"call" keyword followed by the procedure name. If
a procedure requires
parameters, the parameter list must be enclosed in parentheses when using the
"call" keyword. If you omit the "call" keyword, the
parameter list must not be enclosed in parentheses. If the procedure has no
parameters, the parentheses are optional. </p>
<p>When calling a JavaScript or a VBScript procedure from an ASP file written in
JavaScript,
always use parentheses after the procedure name. </p>
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<p>From <b>http://www.w3schools.com</b> (Copyright Refsnes Data)</p>
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