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Objects Response Object Request Object Server Object Application Object~~Request Properties~~Session Object HttpContext Object

Request Properties~~Request.ServerVariables~~

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    Request Object
 Examples
 Source/Reference

Request Object

The Request object is an instance of the System.Web.HttpRequest class. Request object of ASP.NET is related to retrieving data by the server from the client.

Tthe Request property of the Page class can be use to access the HttpRequest instance for the current request. For example, Request["key"] can be used for accessing data from the QueryString, Form, Cookies, or ServerVariables collections.

The methods and properties of the HttpRequest class are exposed through the Request properties of the HttpApplication, HttpContext, Page, and UserControl classes.

Note: Unicode support for HttpRequest class members requires IIS version 6.0 or later.

Examples

Examples of Request.ServerVariables Properties

Vb.NET ASPX File:

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
    <head>
       <title>Sample Page</title>
       <meta http-equiv="Content-Type" content="text/html;charset=utf-8">
       <script runat="server" >
           Sub Page_Load()
               Dim xstr As String
               Dim xarry() As String = {"ALL_HTTP","ALL_RAW","APPL_MD_PATH","APPL_PHYSICAL_PATH","AUTH_TYPE","AUTH_USER","AUTH_PASSWORD","LOGON_USER","REMOTE_USER","CERT_COOKIE","CERT_FLAGS","CERT_ISSUER","CERT_KEYSIZE","CERT_SECRETKEYSIZE","CERT_SERIALNUMBER","CERT_SERVER_ISSUER","CERT_SERVER_SUBJECT","CERT_SUBJECT","CONTENT_LENGTH","CONTENT_TYPE","GATEWAY_INTERFACE","HTTPS","HTTPS_KEYSIZE","HTTPS_SECRETKEYSIZE","HTTPS_SERVER_ISSUER","HTTPS_SERVER_SUBJECT","INSTANCE_ID","INSTANCE_META_PATH","LOCAL_ADDR","PATH_INFO","PATH_TRANSLATED","QUERY_STRING","REMOTE_ADDR","REMOTE_HOST","REMOTE_PORT","REQUEST_METHOD","SCRIPT_NAME","SERVER_NAME","SERVER_PORT","SERVER_PORT_SECURE","SERVER_PROTOCOL","SERVER_SOFTWARE","URL","HTTP_CONNECTION","HTTP_ACCEPT","HTTP_ACCEPT_ENCODING","HTTP_ACCEPT_LANGUAGE","HTTP_COOKIE","HTTP_HOST","HTTP_USER_AGENT","HTTP_UA_CPU"}
               For Each xelem As String in xarry
                   xstr = xstr + "Request.ServerVariables(""" + xelem + """): " + Request.ServerVariables(xelem) + "<br />"
               Next
               
               xstr = xstr + "<br />"
               
               lbl01.Text = xstr
           End Sub
       </script>
    </head>
    <body>
<%Response . Write("<p>Results on "& Request.ServerVariables("SERVER_SOFTWARE") & " .net: " & System.Environment.Version.ToString & " " & ScriptEngine & " Version " & ScriptEngineMajorVersion & "." & ScriptEngineMinorVersion & "</p>")%>
       <% Response.Write ("<h1>This is a Sample Page of Request.ServerVariables Properties</h1>") %>
       <p>
           <%-- Set on Page_Load --%>
           <asp:Label id="lbl01" runat="server" />
       </p>
    </body>
</html>

HTML Web Page Embedded Output:

Source/Reference

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ID: 201100012 Last Updated: 11/12/2020 Revision: 0 Ref:

References

Active Server Pages, , http://msdn.microsoft.com/en-us/library/aa286483.aspx
ASP Overview, , http://msdn.microsoft.com/en-us/library/ms524929%28v=vs.90%29.aspx
ASP Best Practices, , http://technet.microsoft.com/en-us/library/cc939157.aspx
ASP Built-in Objects, , http://msdn.microsoft.com/en-us/library/ie/ms524716(v=vs.90).aspx
Response Object, , http://msdn.microsoft.com/en-us/library/ms525405(v=vs.90).aspx
Request Object, , http://msdn.microsoft.com/en-us/library/ms524948(v=vs.90).aspx
Server Object (IIS), , http://msdn.microsoft.com/en-us/library/ms525541(v=vs.90).aspx
Application Object (IIS), , http://msdn.microsoft.com/en-us/library/ms525360(v=vs.90).aspx
Session Object (IIS), , http://msdn.microsoft.com/en-us/library/ms524319(8v=vs.90).aspx
ASPError Object, , http://msdn.microsoft.com/en-us/library/ms524942(v=vs.90).aspx
ObjectContext Object (IIS), , http://msdn.microsoft.com/en-us/library/ms525667(v=vs.90).aspx
Debugging Global.asa Files, , http://msdn.microsoft.com/en-us/library/aa291249(v=vs.71).aspx
How to: Debug Global.asa files, , http://msdn.microsoft.com/en-us/library/ms241868(v=vs.80).aspx
Calling COM Components from ASP Pages, , http://msdn.microsoft.com/en-us/library/ms524620(v=VS.90).aspx
IIS ASP Scripting Reference, , http://msdn.microsoft.com/en-us/library/ms524664(v=vs.90).aspx
ASP Keywords, , http://msdn.microsoft.com/en-us/library/ms524672(v=vs.90).aspx
Creating Simple ASP Pages, , http://msdn.microsoft.com/en-us/library/ms524741(v=vs.90).aspx
Including Files in ASP Applications, , http://msdn.microsoft.com/en-us/library/ms524876(v=vs.90).aspx
ASP Overview, , http://msdn.microsoft.com/en-us/library/ms524929(v=vs.90).aspx
FileSystemObject Object, , http://msdn.microsoft.com/en-us/library/z9ty6h50(v=vs.84).aspx
http://msdn.microsoft.com/en-us/library/windows/desktop/ms675944(v=vs.85).aspx, , ADO Object Model
ADO Fundamentals, , http://msdn.microsoft.com/en-us/library/windows/desktop/ms680928(v=vs.85).aspx