Displaying Server Variables

ServerVariables' collection of request objects provides vital information about the client browser, HTTP header, etc. During the development of a web application, we use various variables of this collection to implement, for instance, browser-specific things or things which are specific to certain URLs.

Here is the sample code that can be used to display all the variables in the ServerVariables collection. Normally, I keep such a page in a test folder to test various values that come to the web server in different scenarios.

 
<%@ LANGUAGE = VBScript %>
<HTML>
<HEAD>
<TITLE>List of Server Variables:</TITLE>
</HEAD>
<BODY>
<H3>List of Server Variables:</H3>
<TABLE BORDER=1>
<TR><TH>Variable Name</TH><TH>Value</TH></TR>
<%
dim varname
for each varname in Request.ServerVariables
	Response.Write "<TR>"
	Response.Write "<TD>" & varname & "</TD><TD>"
	Response.Write Request.ServerVariables(varname)
	Response.Write "</TD><TR>"
next
%>
</TABLE>
</BODY>
</HTML>

Deepak Pant

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